| UB.COM | GoDaddy.com, LLC | pdns05.domaincontrol.com pdns06.domaincontrol.com | 10.07.1986 | 09.07.2033 |
| UNISYS.COM | GoDaddy.com, LLC | eadns1.unisys.com mkdns1.unisys.co.uk syddns1.unisys.com.au | 11.12.1986 | 10.12.2023 |
| UU.NET | CSC Corporate Domains, Inc. | auth00.ns.uu.net auth200.ns.uu.net auth210.ns.uu.net auth60.ns.uu.net | 20.05.1987 | 21.05.2025 |
| UTC.COM | Network Solutions, LLC | algin.ns.cloudflare.com aria.ns.cloudflare.com ns1.utc.com ns2.utc.com | 27.05.1987 | 26.05.2033 |
| UNIPRESS.COM | Dynadot, LLC | ns1.dynadot.com ns2.dynadot.com | 13.07.1987 | 12.07.2029 |
| USENIX.ORG | easyDNS Technologies Inc. | dns1.easydns.com dns2.easydns.net dns3.easydns.ca | 14.07.1987 | 13.07.2021 |
| UPL.COM | CSC Corporate Domains, Inc. | service2.pacificorp.com service3.pacificorp.com service4.pacificorp.com service6.pacificorp.com | 24.10.1990 | 23.10.2024 |
| UW.COM | Dynadot, LLC | ns1.dyna-ns.net ns2.dyna-ns.net | 13.03.1991 | 14.03.2032 |
| UNIVAL.COM | TurnCommerce, Inc. DBA NameBright.com | ns.collegenet.com ns2.collegenet.com ns3.collegenet.com | 03.07.1991 | 16.11.2021 |
| UMS.COM | Network Solutions, LLC | ns43.worldnic.com ns44.worldnic.com | 25.11.1991 | 24.11.2024 |
| UCS.COM | 1&1 IONOS SE | ns1062.ui-dns.biz ns1062.ui-dns.com ns1062.ui-dns.de ns1062.ui-dns.org | 17.01.1992 | 18.01.2025 |
| UPS.COM | CSC Corporate Domains, Inc. | cbru.br.ns.els-gms.att.net cmtu.mt.ns.els-gms.att.net ns1-auth.sprintlink.net ns2-auth.sprintlink.net nsa.ups.com nsb.ups.com | 07.04.1992 | 08.04.2033 |
| UII.COM | Network Solutions, LLC | ns13.worldnic.com ns14.worldnic.com | 10.06.1992 | 09.06.2025 |
| USR.COM | GoDaddy.com, LLC | ns11.constellix.com ns21.constellix.com ns31.constellix.com ns41.constellix.net ns51.constellix.net ns61.constellix.net | 17.06.1992 | 16.06.2025 |
| UNICODE.ORG | Network Solutions, LLC | a.ns.apple.com b.ns.apple.com c.ns.apple.com d.ns.apple.com | 24.07.1992 | 23.07.2023 |
| UFA.COM | Tucows Domains Inc. | candy.ns.cloudflare.com marty.ns.cloudflare.com | 06.08.1992 | 05.08.2025 |
| USE.COM | GoDaddy.com, LLC | ns1.dan.com ns2.dan.com | 12.08.1992 | 11.08.2030 |
| UMI.COM | MarkMonitor Inc. | ns1.markmonitor.com ns2.markmonitor.com ns3.markmonitor.com ns4.markmonitor.com ns5.markmonitor.com ns6.markmonitor.com ns7.markmonitor.com | 14.08.1992 | 13.08.2024 |
| UOP.COM | MarkMonitor Inc. | elliot.ns.cloudflare.com magnolia.ns.cloudflare.com | 25.08.1992 | 24.08.2025 |
| US.COM | Instra Corporation Pty Ltd. | ns1.centralnic.net ns2.centralnic.net ns3.centralnic.net ns4.centralnic.net | 05.01.1993 | 04.01.2031 |
| UBS.NET | MarkMonitor Inc. | pluto.ubs.com uranus.ubs.com | 11.02.1993 | 12.02.2022 |
| UBS.COM | MarkMonitor Inc. | a1-12.akam.net a2-65.akam.net a26-66.akam.net a28-65.akam.net a3-64.akam.net a5-65.akam.net jupiter.ubs.com mercury.ubs.com neptune.ubs.com uranus.ubs.com | 15.02.1993 | 16.02.2025 |
| UVC.COM | Network Solutions, LLC | ns21.worldnic.com ns22.worldnic.com | 31.03.1993 | 01.04.2029 |
| UGC.COM | NameCheap, Inc. | dns1.registrar-servers.com dns2.registrar-servers.com | 28.05.1993 | 27.05.2027 |
| UNICC.ORG | | ns.unicc.org ns1.gva.ch.colt.net ns-nadc.unicc.org | 14.07.1993 | 13.07.2025 |
| US.NET | Network Solutions, LLC | ns1.hispeed.net ns2.hispeed.net | 29.07.1993 | 28.07.2021 |
| UHD.COM | GoDaddy.com, LLC | ns17.domaincontrol.com ns18.domaincontrol.com | 18.08.1993 | 17.08.2027 |
| UTA.COM | Deutsche Telekom AG | ns1.telekom-domains.de ns2.telekom-domains.de | 31.08.1993 | 30.08.2024 |
| USC.COM | easyDNS Technologies Inc. | motorhead.easydns.org nirvana.easydns.net rush.easydns.com | 24.09.1993 | 23.09.2024 |
| UIC.COM | Network Solutions, LLC | ns3.level3.net ns4.level3.net | 13.10.1993 | 12.10.2028 |
| U.COM | RESERVED-Internet Assigned Numbers Authority | | 01.12.1993 | 08.12.2024 |
| U.NET | RESERVED-Internet Assigned Numbers Authority | | 01.12.1993 | 08.12.2021 |
| U.ORG | eNom, LLC | ns3.p10.dynect.net ns1.p10.dynect.net ns2.p10.dynect.net ns4.p10.dynect.net | 01.12.1993 | 08.12.2023 |
| UUNET.COM | MarkMonitor Inc. | auth-ns1.verizonbusiness.com auth-ns2.verizonbusiness.com auth01.ns.uu.net auth50.ns.uu.net auth61.ns.uu.net | 14.12.1993 | 13.12.2021 |
| UNI.COM | GoDaddy.com, LLC | dns1.uni.com drumknott.comedia.it moist.comedia.it wonse.comedia.it | 17.12.1993 | 17.07.2028 |
| UA.NET | Tucows Domains Inc. | ns-he.kolo.net ns.kharkov.ua ns.kolo.net ns.ua.net ns2.ua.net ns3.ua.net ns4.ua.net puck.nether.net | 01.02.1994 | 02.02.2022 |
| UAL.COM | CSC Corporate Domains, Inc. | a1-66.akam.net a10-65.akam.net a11-66.akam.net a18-67.akam.net a26-64.akam.net a5-65.akam.net | 21.02.1994 | 22.02.2025 |
| UCG.COM | Network Solutions, LLC | ns95.worldnic.com ns96.worldnic.com | 28.02.1994 | 01.03.2027 |
| UNESCO.ORG | | ns.unicc.org ns0.unesco.org ns1.unesco.org ns-nadc.unicc.org | 01.03.1994 | 02.03.2027 |
| ULC.COM | Network Solutions, LLC | ns1.hostmonster.com ns2.hostmonster.com | 08.03.1994 | 09.03.2029 |
| UES.COM | Network Solutions, LLC | ns69.worldnic.com ns70.worldnic.com | 10.03.1994 | 11.03.2025 |
| UP.COM | Network Solutions, LLC | eth0.omhqp13d10.uprr.com eth0.omsdp13d11.uprr.com | 12.05.1994 | 13.05.2025 |
| UDI.COM | GoDaddy.com, LLC | alice.ns.cloudflare.com carlos.ns.cloudflare.com | 12.05.1994 | 13.05.2024 |
| UIH.COM | GoDaddy.com, LLC | ns1.upc.biz ns2.upc.biz ns3.upc.biz | 18.05.1994 | 19.05.2024 |
| UPRR.COM | Network Solutions, LLC | eth0.omhqp13d10.uprr.com eth0.omsdp13d11.uprr.com | 19.05.1994 | 20.05.2022 |
| UPTIME.COM | GoDaddy Online Services Cayman Islands Ltd. | ns-1522.awsdns-62.org ns-1918.awsdns-47.co.uk ns-331.awsdns-41.com ns-650.awsdns-17.net | 03.06.1994 | 02.06.2023 |
| UNG.COM | Google LLC | ns1.infinityfree.com ns2.infinityfree.com | 23.06.1994 | 22.06.2025 |
| UTW.COM | GoDaddy.com, LLC | ns10.websitesource.com ns11.websitesource.com ns12.websitesource.com | 30.06.1994 | 29.06.2026 |
| UDP.COM | Network Solutions, LLC | ns87.worldnic.com ns88.worldnic.com | 06.07.1994 | 05.07.2026 |
| UTI.COM | Network Solutions, LLC | ns1.xnet.com ns2.xnet.com | 04.08.1994 | 03.08.2031 |
| UCE.COM | GoDaddy.com, LLC | ns13.domaincontrol.com ns14.domaincontrol.com | 11.08.1994 | 10.08.2025 |
| UQM.COM | CSC Corporate Domains, Inc. | udns1.cscdns.net udns2.cscdns.uk | 11.08.1994 | 10.08.2025 |
| UL.COM | Network Solutions, LLC | ns1.p28.dynect.net ns2.p28.dynect.net ns3.p28.dynect.net ns4.p28.dynect.net | 16.08.1994 | 15.08.2025 |
| UHU.COM | Key-Systems GmbH | ns1.vivacom.it ns2.vivacom.it ns3.vivacom.it | 16.08.1994 | 15.08.2024 |
| UAP.COM | MarkMonitor Inc. | ns1.uap.com ns2.uap.com | 17.08.1994 | 16.08.2024 |
| UAE.COM | MarkMonitor Inc. | ha1.markmonitor.zone ha2.markmonitor.zone ha3.markmonitor.zone ha4.markmonitor.zone | 17.08.1994 | 16.08.2032 |
| USD.COM | GoDaddy.com, LLC | ns1.abovedomains.com ns2.abovedomains.com | 19.08.1994 | 18.08.2029 |
| UFC.COM | MarkMonitor Inc. | ha1.markmonitor.zone ha2.markmonitor.zone ha3.markmonitor.zone ha4.markmonitor.zone | 22.08.1994 | 28.02.2025 |
| UHC.COM | CSC Corporate Domains, Inc. | edns4.ultradns.biz edns4.ultradns.com edns4.ultradns.net edns4.ultradns.org epla1.corpnamesvcs.com epla2.corpnamesvcs.com | 30.08.1994 | 29.08.2024 |
| UNO.COM | GoDaddy.com, LLC | ns14.wixdns.net ns15.wixdns.net | 09.09.1994 | 08.09.2024 |
| UA.COM | CSC Corporate Domains, Inc. | ns10.dnsmadeeasy.com ns11.dnsmadeeasy.com ns12.dnsmadeeasy.com ns13.dnsmadeeasy.com ns14.dnsmadeeasy.com ns15.dnsmadeeasy.com | 04.10.1994 | 03.10.2024 |
| UCP.COM | GoDaddy.com, LLC | ns61.domaincontrol.com ns62.domaincontrol.com | 06.10.1994 | 10.03.2027 |
| UJA.COM | GoDaddy.com, LLC | ns-1068.awsdns-05.org ns-155.awsdns-19.com ns-1986.awsdns-56.co.uk ns-775.awsdns-32.net | 18.10.1994 | 17.10.2024 |
| UN.COM | Network Solutions, LLC | ns10.worldnic.com ns9.worldnic.com | 25.10.1994 | 29.12.2033 |
| UE.COM | MarkMonitor Inc. | ns-1.logitech.com ns-2.logitech.com | 26.10.1994 | 25.10.2024 |
| UFP.COM | NameCheap, Inc. | ns1.linode.com ns2.linode.com ns3.linode.com ns4.linode.com ns5.linode.com | 26.10.1994 | 25.10.2024 |
| UFO.COM | Tucows Domains Inc. | ns1.mytrafficmanagement.com ns2.mytrafficmanagement.com | 17.11.1994 | 16.11.2024 |
| UBT.COM | GoDaddy.com, LLC | ns0.ubt.com ns1.ubt.com ns2.ubt.com ns3.ubt.com ns4.ubt.com | 09.01.1995 | 08.01.2026 |
| ULN.COM | Network Solutions, LLC | ns1.uln.com ns2.uln.com | 25.01.1995 | 26.01.2025 |
| UN.ORG | Network Solutions, LLC | ns1.un.org ns2.un.org ns3.un.org | 31.01.1995 | 01.02.2024 |
| UNI.NET | Tucows Domains Inc. | ns1.uni.net ns2.uni.net | 31.01.1995 | 01.02.2022 |
| UCC.COM | GoDaddy.com, LLC | ns01.domaincontrol.com ns02.domaincontrol.com | 01.02.1995 | 02.02.2026 |
| USTA.COM | Network Solutions, LLC | ns1.ispnet.net ns2.ispnet.net ns3.ispnet.net ns4.ispnet.net | 08.02.1995 | 09.02.2023 |
| USBANK.COM | MarkMonitor Inc. | ns2.usbank.com ns3.usbank.com ns4.usbank.com | 14.02.1995 | 07.04.2025 |
| UPC.COM | GoDaddy.com, LLC | ns47.domaincontrol.com ns48.domaincontrol.com | 28.02.1995 | 01.03.2026 |
| UTS.COM | GoDaddy.com, LLC | cloe.ns.cloudflare.com terry.ns.cloudflare.com | 02.03.1995 | 03.03.2024 |
| UU.COM | Network Solutions, LLC | ns1.uu.com ns2.uu.com | 09.03.1995 | 10.03.2025 |
| UT.COM | Network Solutions, LLC | ns31.worldnic.com ns32.worldnic.com | 21.03.1995 | 22.03.2025 |
| UHS.COM | eNom, LLC | celeste.ns.cloudflare.com huxley.ns.cloudflare.com | 03.04.1995 | 04.04.2026 |
| U36.COM | GoDaddy.com, LLC | ns57.domaincontrol.com ns58.domaincontrol.com | 05.04.1995 | 06.04.2026 |
| UD.COM | united-domains AG | ns.udag.de ns.udag.net ns.udag.org | 06.04.1995 | 07.04.2025 |
| UNILEVER.COM | CSC Corporate Domains, Inc. | dns01.unilever.com dns02.unilever.com dns04.unilever.com dns88.unilever.com | 09.04.1995 | 10.04.2022 |
| UI.COM | GoDaddy.com, LLC | ns-1469.awsdns-55.org ns-1849.awsdns-39.co.uk ns-277.awsdns-34.com ns-656.awsdns-18.net | 17.04.1995 | 18.04.2028 |
| UPI.COM | NameCheap, Inc. | anna.ns.cloudflare.com cash.ns.cloudflare.com | 19.04.1995 | 20.04.2024 |
| US.ORG | Key-Systems GmbH | ns1.centralnic.net ns2.centralnic.net ns3.centralnic.net ns4.centralnic.net | 23.04.1995 | 24.04.2021 |
| UMA.COM | Alibaba Cloud Computing (Beijing) Co., Ltd. | dns27.hichina.com dns28.hichina.com | 23.04.1995 | 24.04.2025 |
| UC.COM | Network Solutions, LLC | marty.ns.cloudflare.com mona.ns.cloudflare.com | 24.04.1995 | 25.04.2033 |
| UAD.COM | Network Solutions, LLC | ns1.tovacompany.com ns2.tovacompany.com | 27.04.1995 | 28.04.2026 |
| UBISOFT.COM | Gandi SAS | nic10.ubisoft.com nic11.ubisoft.com nic12.ubisoft.com nic7.ubisoft.com nic8.ubisoft.com nic9.ubisoft.com | 27.04.1995 | 28.04.2023 |
| UPA.COM | Network Solutions, LLC | dns1.validns.com dns2.validns.com | 28.04.1995 | 29.04.2025 |
| UEA.COM | GoDaddy.com, LLC | ns13.domaincontrol.com ns14.domaincontrol.com | 29.04.1995 | 30.04.2025 |
| URL.COM | GoDaddy.com, LLC | chin.ns.cloudflare.com weston.ns.cloudflare.com | 02.05.1995 | 03.05.2024 |
| UAC.COM | Network Solutions, LLC | ns61.worldnic.com ns62.worldnic.com | 05.05.1995 | 06.05.2027 |
| UIL.COM | GoDaddy.com, LLC | dns.iberdrola.es dns2.iberdrola.es nsusctmar04.iberdrola.com nsusorsw104.iberdrola.com | 05.05.1995 | 06.05.2026 |
| UOC.COM | DomainPeople, Inc. | sp1.domainpeople.com sp2.domainpeople.com | 08.05.1995 | 09.05.2027 |
| UCM.COM | CSC Corporate Domains, Inc. | ns1-02.azure-dns.com ns2-02.azure-dns.net ns3-02.azure-dns.org ns4-02.azure-dns.info | 13.05.1995 | 14.05.2024 |
| UBG.COM | GoDaddy.com, LLC | ns25.domaincontrol.com ns26.domaincontrol.com | 21.05.1995 | 22.05.2029 |
| UIP.COM | Key-Systems GmbH | ns1-02.azure-dns.com ns2-02.azure-dns.net ns3-02.azure-dns.org ns4-02.azure-dns.info | 22.05.1995 | 23.05.2025 |
| USEMAIL.COM | GoDaddy.com, LLC | pdns05.domaincontrol.com pdns06.domaincontrol.com | 28.05.1995 | 27.05.2021 |
| UI.NET | Google LLC | ns-cloud-b1.googledomains.com ns-cloud-b2.googledomains.com ns-cloud-b3.googledomains.com ns-cloud-b4.googledomains.com | 12.06.1995 | 11.06.2021 |