gsu.dk
📜 DNS record history  ·  ← Current records
📜 Record History10 scans · 27 changes
Scanned AtChanges since previous scan
2026-09-01 12:23:18
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBWQAgACAs3d9bkcyi5VXq5U3S0CM4pGNItk+uvHTwIMOb/r4sLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b − 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBB8gAgACDBlaShUNszepVlr+fR4WskQoMKgriqZm6u9xrVV0BFJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b
2026-08-27 10:42:27
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBB8gAgACDBlaShUNszepVlr+fR4WskQoMKgriqZm6u9xrVV0BFJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b − 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b
2026-08-26 20:55:35
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b − 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBrAAgACD7pK1tlgG39m7E1K/ZTwvGupshOLqXpCsVpo/Tm8SiAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b
2026-08-06 05:43:42
A + 104.21.81.204 + 172.67.164.75 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3034::6815:51cc + 2606:4700:3035::ac43:a44b − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBrAAgACD7pK1tlgG39m7E1K/ZTwvGupshOLqXpCsVpo/Tm8SiAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBwwAgACAWFYl/3slsKUCp2ogwKf7noM3+U5CmBHt81A8Up8baDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2410836131 − serial 2410002210
2026-07-21 00:43:23
A + 188.114.96.1 + 188.114.97.1 − 104.21.81.204 − 172.67.164.75
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3034::6815:51cc − 2606:4700:3035::ac43:a44b
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBwwAgACAWFYl/3slsKUCp2ogwKf7noM3+U5CmBHt81A8Up8baDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBTwAgACCXn4LInxRpZInXeLrwN6cP6aUHwUl+v+etnxomrwmdegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b
SOA + serial 2410002210 − serial 2404891183
2026-07-02 10:35:06
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBBTwAgACCXn4LInxRpZInXeLrwN6cP6aUHwUl+v+etnxomrwmdegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b − 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBB2QAgACDiKYRRbyyQZXSjOafj3kW22RcArRw4lNzsPqakaULYGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b
2026-06-26 19:25:52
A + 104.21.81.204 + 172.67.164.75 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3034::6815:51cc + 2606:4700:3035::ac43:a44b − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBB2QAgACDiKYRRbyyQZXSjOafj3kW22RcArRw4lNzsPqakaULYGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:51cc,2606:4700:3035::ac43:a44b − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB9QAgACCE5XYkfAA4/W4V0NF4I2tF5MgCWZgYVZI4/AFGiNqLVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
2026-06-23 03:44:13
NS + betty.ns.cloudflare.com + gordon.ns.cloudflare.com
A + 188.114.96.1 + 188.114.97.1
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB9QAgACCE5XYkfAA4/W4V0NF4I2tF5MgCWZgYVZI4/AFGiNqLVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2404891183
DNSSEC + insecure − indeterminate
2026-06-21 06:03:02
NS − betty.ns.cloudflare.com − gordon.ns.cloudflare.com
A − 104.21.81.204 − 172.67.164.75
AAAA − 2606:4700:3033::ac43:a44b − 2606:4700:3034::6815:51cc
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.81.204,172.67.164.75 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a44b,2606:4700:3034::6815:51cc
SOA − serial 2404891183
DNSSEC + indeterminate − bogus
2026-06-17 10:08:02 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2404891183 · DNSSEC bogus

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 10 scans). Click a timestamp to view that full snapshot.

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