extra.geocenter.dk - robtex.com

extra.geocenter.dk

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:557🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8539🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.87Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.57🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.87, 172.67.133.57
IPv6 hints2606:4700:3035::6815:557, 2606:4700:3036::ac43:8539
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com

geocenter.dk

DNSSEC🔒 Signed (DS record present)
A2606:4700:3035::6815:557🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8539🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.87Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.57🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfatima.ns.cloudflare.com ⭐
NSryan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.87, 172.67.133.57
IPv6 hints2606:4700:3035::6815:557, 2606:4700:3036::ac43:8539
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com
SOAfatima.ns.cloudflare.comdns@cloudflare.com serial=2401362381
WOT: SAFE (60/100)

Subdomains

mail.extra.geocenter.dk

Same first word

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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSns1.geus.netns2.geus.netMXmail.extra.geocenter.dkA104.21.5.87172.67.133.572606:4700:3035::6815:5572606:4700:3036::ac43:8539188.114.96.4188.114.97.42a06:98c1:3120::2a06:98c1:3121::89.221.166.90
○NSns1.geus.net2015-05-31 → 2016-09-08 · 4 obs
● 2015-05-31 09:45:54
● 2016-09-08 03:12:38
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
○NSns2.geus.net2015-05-31 → 2016-09-08 · 4 obs
● 2015-05-31 09:45:54
● 2016-09-08 03:12:38
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
○MXmail.extra.geocenter.dk2015-05-31 → 2016-09-08 · 4 obs
● 2015-05-31 09:45:54
● 2016-09-08 03:12:38
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
●A104.21.5.872026-02-25 → 2026-04-11 · 3 obs
○ 2016-09-08 03:12:38
● 2026-02-25 01:14:10
● 2026-04-11 19:57:48
●A172.67.133.572026-02-25 → 2026-04-11 · 3 obs
○ 2016-09-08 03:12:38
● 2026-02-25 01:14:10
● 2026-04-11 19:57:48
○A188.114.96.42026-02-25 → 2026-04-11 · 2 obs
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
○A188.114.97.42026-02-25 → 2026-04-11 · 2 obs
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
●A2606:4700:3035::6815:5572026-02-25 → 2026-04-11 · 3 obs
○ 2016-09-08 03:12:38
● 2026-02-25 01:14:10
● 2026-04-11 19:57:48
●A2606:4700:3036::ac43:85392026-02-25 → 2026-04-11 · 3 obs
○ 2016-09-08 03:12:38
● 2026-02-25 01:14:10
● 2026-04-11 19:57:48
○A2a06:98c1:3120::2026-02-25 → 2026-04-11 · 2 obs
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
○A2a06:98c1:3121::2026-02-25 → 2026-04-11 · 2 obs
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48
○A89.221.166.902015-05-31 → 2016-09-08 · 4 obs
● 2015-05-31 09:45:54
● 2016-09-08 03:12:38
○ 2026-02-25 01:14:10
○ 2026-04-11 19:57:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
geocenter.dkfatima.ns.cloudflare.com, ryan.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.229

NS records: fatima.ns.cloudflare.com, ryan.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.57, 104.21.5.87
AAAA22606:4700:3035::6815:557, 2606:4700:3036::ac43:8539
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Hierarchy

extra.geocenter.dk is the parent of mail.extra.geocenter.dk.

IP Addresses

Four IP numbers are pointed to by extra.geocenter.dk: 2606:4700:3035::6815:557, 2606:4700:3036::ac43:8539, 104.21.5.87 and 172.67.133.57.

other host names including cybersparkadvisory.digital, 123exp.com, novinmag.ir, meownime.ltd and jphb88.com share IP numbers with extra.geocenter.dk.