rydbergops.dk

📜 Historical scan 2026-08-04 15:41:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rydbergops.dk is a .dk domain served by 2 nameservers (alla.ns.cloudflare.com, chris.ns.cloudflare.com). It was registered on 5 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.99 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by front-lvs.scannet.dk, mx77.front02.scannet.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 159ms

Nameserver	IP addresses	PTR	ASN / ISP
alla.ns.cloudflare.com	108.162.192.62 172.64.32.62 173.245.58.62 2606:4700:50::adf5:3a3e 2803:f800:50::6ca2:c03e 2a06:98c1:50::ac40:203e	alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 118ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.237	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 152ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	front-lvs.scannet.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
25	300s	mx77.front02.scannet.dk	—	—	—

🔷 AAAA Records (IPv6)#

2 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3d63	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d0ed	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 150ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.99,172.67.208.237 ech=AEX+DQBBmwAgACCHYwbzOvfOL1fh//PNHQwEJibN7vFsqwq7v91z8BpBRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3d63,2606:4700:3033::ac43:d0ed

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 22:00:54

www	104.21.61.99 172.67.208.237 2606:4700:3031::6815:3d63 2606:4700:3033::ac43:d0ed (AS13335) (address records, no CNAME)
www vs bare domain	Same network rydbergops.dk: 104.21.61.99 172.67.208.237 2606:4700:3031::6815:3d63 2606:4700:3033::ac43:d0ed (AS13335) www.rydbergops.dk: 104.21.61.99 172.67.208.237 2606:4700:3031::6815:3d63 2606:4700:3033::ac43:d0ed (AS13335)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

173ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411056747
Primary NS (MNAME)	alla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 12:19:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-09-05
Expires	2030-09-30 (1443d)

📋 WHOIS#

⏱️ Lookup Timing#

159ms

118ms

152ms

AAAA

121ms

TXT

264ms

CAA

134ms

HTTPS

150ms

TLSA

1230ms

SOA

0ms

MTA-STS

152ms

DNSSEC

173ms

SRV

145ms

Total

2523ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 22:00:54	703ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-06 12:00:13	616ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 08:55:37	614ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 01:13:27	829ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-13 01:26:56	1564ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-11 13:41:27	1669ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-10 00:50:05	6264ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-04 15:41:25 shown	2523ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 13:45:15	1164ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 23:47:54	954ms	2 NS 2 A 2 MX	🔓 Insecure