tekup.dk
📜 DNS record history  ·  ← Current records
📜 Record History11 scans · 34 changes
Scanned AtChanges since previous scan
2026-08-31 00:32:07
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBbQAgACDq5ptK1ZSRUTBxz7UGx+0FHPc6JjZ1C4JMqRouYCazWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBLwAgACCduRYECABuDuLA/5mKzATigJ4BSMwlxYwjtthnaqZxGQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2413520983 − serial 2413056337
2026-08-24 22:17:13
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBLwAgACCduRYECABuDuLA/5mKzATigJ4BSMwlxYwjtthnaqZxGQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBYQAgACADEJT4t3cE8o7WRVv7AEoRrZV+pi/92mmDHvAINMFVBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2413056337 − serial 2412930148
2026-08-23 22:01:16
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBYQAgACADEJT4t3cE8o7WRVv7AEoRrZV+pi/92mmDHvAINMFVBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBggAgACCxd/3IL9SPUObw00jXkoc+0plXcxr9Afcx4YCKmEp5PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2412930148 − serial 2412209315
2026-08-15 20:14:05
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBggAgACCxd/3IL9SPUObw00jXkoc+0plXcxr9Afcx4YCKmEp5PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBB9AAgACCP0YYSjGQ2JWqZzPdeck5jLEXcYXtRLSvuySkj8tHiIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2412209315 − serial 2412172825
2026-08-14 14:43:33
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBB9AAgACCP0YYSjGQ2JWqZzPdeck5jLEXcYXtRLSvuySkj8tHiIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBpQAgACDrpCXIVxfI57nbCvK+Ax7xFUwje2gTLJ70LZuNUFeNVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2412172825 − serial 2409600991
2026-07-27 12:15:12
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBpQAgACDrpCXIVxfI57nbCvK+Ax7xFUwje2gTLJ70LZuNUFeNVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBB7AAgACB2Z24PgQYGz28k+kS+eO8LbK6PKbRzUTK+59/HOmXnVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2409600991
2026-07-26 11:56:24
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBB7AAgACB2Z24PgQYGz28k+kS+eO8LbK6PKbRzUTK+59/HOmXnVAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBTAAgACALfb0zFFxnhErT7jJuywJOCUm9kSFXA7WgcKNzTQ2bZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA − serial 2409600991
2026-07-15 20:14:10
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBTAAgACALfb0zFFxnhErT7jJuywJOCUm9kSFXA7WgcKNzTQ2bZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBFAAgACDWoAgAOkKZTQouulORkrky2Tii4iKo/FCi9RNuOe/BQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2409600991 − serial 2407811313
2026-06-26 21:31:04
NS + fonzie.ns.cloudflare.com + irma.ns.cloudflare.com
A + 104.21.39.139 + 172.67.146.25
MX + 10 mail.tekup.dk
AAAA + 2606:4700:3030::ac43:9219 + 2606:4700:3037::6815:278b
TXT + v=spf1 mx -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBFAAgACDWoAgAOkKZTQouulORkrky2Tii4iKo/FCi9RNuOe/BQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
SOA + serial 2407811313
DMARC + v=DMARC1; p=reject; rua=mailto:postmaster@tekup.dk
DNSSEC + insecure − indeterminate
2026-06-24 07:26:35
NS − fonzie.ns.cloudflare.com − irma.ns.cloudflare.com
A − 104.21.39.139 − 172.67.146.25
MX − 10 mail.tekup.dk
AAAA − 2606:4700:3033::6815:278b − 2606:4700:3035::ac43:9219
TXT − v=spf1 mx -all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBcQAgACCLRAjcukzv4fR8BmTwARacd6cY+leAQVPWIttYUEh6LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:278b,2606:4700:3035::ac43:9219
SOA − serial 2407107840
DMARC − v=DMARC1; p=reject; rua=mailto:postmaster@tekup.dk
DNSSEC + indeterminate − insecure
2026-06-17 16:44:59 baseline 2 NS · 2 A · 1 MX · 2 AAAA · 1 TXT · 1 HTTPS · serial 2407107840 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 11 scans). Click a timestamp to view that full snapshot.

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