yonsei.us - robtex.com

yonsei.us

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:313πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::ac43:820bπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.3.19Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.130.11πŸ‡ΊπŸ‡Έ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSbeth.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a67πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
A2803:f800:50::6ca2:c067πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbeth.ns.cloudflare.com
A2a06:98c1:50::ac40:2067πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRbeth.ns.cloudflare.com
A108.162.192.103πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
A172.64.32.103πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
A173.245.58.103πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbeth.ns.cloudflare.com
NSthomas.ns.cloudflare.com
A2606:4700:58::adf5:3beeπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
A2803:f800:50::6ca2:c1eeπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRthomas.ns.cloudflare.com
A2a06:98c1:50::ac40:21eeπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRthomas.ns.cloudflare.com
A108.162.193.238πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
A172.64.33.238πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
A173.245.59.238πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRthomas.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27πŸ‡ΊπŸ‡Έ Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26πŸ‡ΊπŸ‡Έ Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4023:2801::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27πŸ‡ΊπŸ‡Έ Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4023:1015::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26πŸ‡ΊπŸ‡Έ Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
TXTfacebook-domain-verification=94xjeef7tjq7buxnmaocqh06q5eldv
TXTgoogle-site-verification=GBhZHhj69xAWSA2x0T1bY4vL06UAGhzMJ6Trtljbyxc
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4104.21.3.19, 172.67.130.11
IPv62606:4700:3036::6815:313, 2606:4700:3037::ac43:820b
SOAbeth.ns.cloudflare.comdns@cloudflare.com serial=2397150983

us

DNSSECπŸ”’ Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1773555288

Subdomains

Same first word

Similar names

DNS History

19 records (11 active, 8 former)

20162017201820192020202120222023202420252026NSbeth.ns.cloudflare.comthomas.ns.cloudflare.comdns1.stabletransit.comdns2.stabletransit.comns.rackspace.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.3.19172.67.130.112606:4700:3036::6815:3132606:4700:3037::ac43:820b162.242.229.227188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSbeth.ns.cloudflare.com2026-02-28 β†’ 2026-03-18 Β· 3 obs
β—‹ 2017-03-23 04:05:18
● 2026-02-28 22:28:04
● 2026-03-18 00:24:22
β—‹NSdns1.stabletransit.com2015-07-06 β†’ 2017-03-23 Β· 4 obs
● 2015-07-06 01:12:00
● 2017-03-23 04:05:18
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-18 00:24:22
β—‹NSdns2.stabletransit.com2015-07-06 β†’ 2017-03-23 Β· 4 obs
● 2015-07-06 01:12:00
● 2017-03-23 04:05:18
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-18 00:24:22
β—‹NSns.rackspace.com2015-07-06 β†’ 2017-03-23 Β· 4 obs
● 2015-07-06 01:12:00
● 2017-03-23 04:05:18
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-18 00:24:22
●NSthomas.ns.cloudflare.com2026-02-28 β†’ 2026-03-18 Β· 3 obs
β—‹ 2017-03-23 04:05:18
● 2026-02-28 22:28:04
● 2026-03-18 00:24:22
●MXalt1.aspmx.l.google.com2015-07-06 β†’ 2026-03-18 Β· 2 obs
● 2015-07-06 01:12:00
● 2026-03-18 00:24:22
●MXalt2.aspmx.l.google.com2015-07-06 β†’ 2026-03-18 Β· 2 obs
● 2015-07-06 01:12:00
● 2026-03-18 00:24:22
●MXaspmx.l.google.com2015-07-06 β†’ 2026-03-18 Β· 2 obs
● 2015-07-06 01:12:00
● 2026-03-18 00:24:22
●MXaspmx2.googlemail.com2015-07-06 β†’ 2026-03-18 Β· 2 obs
● 2015-07-06 01:12:00
● 2026-03-18 00:24:22
●MXaspmx3.googlemail.com2015-07-06 β†’ 2026-03-18 Β· 2 obs
● 2015-07-06 01:12:00
● 2026-03-18 00:24:22
●A104.21.3.192026-02-28 β†’ 2026-03-18 Β· 5 obs
β—‹ 2017-03-23 04:05:18
● 2026-02-28 22:28:04
● 2026-03-06 03:53:10
β—‹ 2026-03-07 17:09:14
● 2026-03-18 00:24:22
β—‹A162.242.229.2272015-07-06 β†’ 2017-03-23 Β· 4 obs
● 2015-07-06 01:12:00
● 2017-03-23 04:05:18
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-18 00:24:22
●A172.67.130.112026-02-28 β†’ 2026-03-18 Β· 5 obs
β—‹ 2017-03-23 04:05:18
● 2026-02-28 22:28:04
● 2026-03-06 03:53:10
β—‹ 2026-03-07 17:09:14
● 2026-03-18 00:24:22
β—‹A188.114.96.02026-03-07 β†’ 2026-03-07 Β· 4 obs
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-06 03:53:10
● 2026-03-07 17:09:14
β—‹ 2026-03-18 00:24:22
β—‹A188.114.97.02026-03-07 β†’ 2026-03-07 Β· 4 obs
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-06 03:53:10
● 2026-03-07 17:09:14
β—‹ 2026-03-18 00:24:22
●A2606:4700:3036::6815:3132026-02-28 β†’ 2026-03-18 Β· 5 obs
β—‹ 2017-03-23 04:05:18
● 2026-02-28 22:28:04
● 2026-03-06 03:53:10
β—‹ 2026-03-07 17:09:14
● 2026-03-18 00:24:22
●A2606:4700:3037::ac43:820b2026-02-28 β†’ 2026-03-18 Β· 5 obs
β—‹ 2017-03-23 04:05:18
● 2026-02-28 22:28:04
● 2026-03-06 03:53:10
β—‹ 2026-03-07 17:09:14
● 2026-03-18 00:24:22
β—‹A2a06:98c1:3120::2026-03-07 β†’ 2026-03-07 Β· 4 obs
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-06 03:53:10
● 2026-03-07 17:09:14
β—‹ 2026-03-18 00:24:22
β—‹A2a06:98c1:3121::2026-03-07 β†’ 2026-03-07 Β· 4 obs
β—‹ 2026-02-28 22:28:04
β—‹ 2026-03-06 03:53:10
● 2026-03-07 17:09:14
β—‹ 2026-03-18 00:24:22

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
usn.cctld.us, w.cctld.us, k.cctld.us, m.cctld.us...-
yonsei.usthomas.ns.cloudflare.com, beth.ns.cloudflare.com-

βœ… Authoritative Response

Server: 108.162.192.103

NS records: thomas.ns.cloudflare.com, beth.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yonsei.us (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.3.19, 172.67.130.11
AAAA22606:4700:3037::ac43:820b, 2606:4700:3036::6815:313
NS2beth.ns.cloudflare.com, thomas.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT2facebook-domain-verification=94xjeef7tjq, google-site-verification=GBhZHhj69xAWSA2
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1beth.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

yonsei.us is a parent of www.yonsei.us.

IP Addresses

yonsei.us resolves to four IPs: 2606:4700:3036::6815:313, 2606:4700:3037::ac43:820b, 104.21.3.19 and 172.67.130.11.

Other host names such as thewayhomeorfacethefire.net, biographile.com, star725.com, 6bb2367cd1b9.www-origin.hgsgroup.net and www.nuevocristalino.es share IP numbers with yonsei.us.

Name Servers

yonsei.us is delegated to two name servers: beth.ns.cloudflare.com and thomas.ns.cloudflare.com.

yonsei.us uses the same name server setup as other domains, including stevenstaekwondo.com, mpama.com, kenyons.com, jiujitsusanpedro.com and kckarate.com.

At least part of the name servers for yonsei.us are shared with other domains, for instance aza.com.vn, justsecurity.org, brechadigital.cl, tallaghtauctioneers.com and birlikteticaret.com.

These name servers are commonly used alongside wally.ns.cloudflare.com and adrian.ns.cloudflare.com.

Host names with six IP numbers:

beth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a67, 2803:f800:50::6ca2:c067, 2a06:98c1:50::ac40:2067, 108.162.192.103, 172.64.32.103 and 173.245.58.103.

thomas.ns.cloudflare.com points to: 2606:4700:58::adf5:3bee, 2803:f800:50::6ca2:c1ee, 2a06:98c1:50::ac40:21ee, 108.162.193.238, 172.64.33.238 and 173.245.59.238.

Mail Servers

yonsei.us is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

yonsei.us shares at least some mail servers with other domains, for example utechbs.com, basis.church, aclaw.net, stlukeandstmatthew.org and ns500734.ns500699.ns500734.ns500734.ns500693.ns500693.ns500699.ns500699.ns500693.ns500693.ns500693.ns500683.ns500699.ns500588.ns500632.ns500110.dtrkdll.com.

These mail servers are commonly used alongside alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers: aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27; aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26; aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27; alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26; alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.