nerdhold.dk

📜 Historical scan 2026-07-22 18:54:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nerdhold.dk is a .dk domain served by 2 nameservers (rommy.ns.cloudflare.com, sreeni.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.194 is hosted by Cloudflare, Inc. (AS13335). 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
rommy.ns.cloudflare.com	108.162.195.20 162.159.44.20 172.64.35.20 2606:4700:58::a29f:2c14 2803:f800:50::6ca2:c314 2a06:98c1:50::ac40:2314	rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sreeni.ns.cloudflare.com	108.162.194.178 162.159.38.178 172.64.34.178 2606:4700:50::a29f:26b2 2803:f800:50::6ca2:c2b2 2a06:98c1:50::ac40:22b2	sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.ns.cloudflare.com sreeni.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.194	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.156	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.31.194
🔶 Autoconfig	104.21.31.194

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1fc2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b39c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.194,172.67.179.156 ech=AEX+DQBBRQAgACD3/JWe6WEFz3TZyqEKxNNb4AHslVWxSApQGnKe2JDjAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1fc2,2606:4700:3035::ac43:b39c

📝 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 2026-10-08 15:42:48

www	104.21.31.194 172.67.179.156 2606:4700:3033::6815:1fc2 2606:4700:3035::ac43:b39c (AS13335) (address records, no CNAME)
www vs bare domain	Same network nerdhold.dk: 104.21.31.194 172.67.179.156 2606:4700:3033::6815:1fc2 2606:4700:3035::ac43:b39c (AS13335) www.nerdhold.dk: 104.21.31.194 172.67.179.156 2606:4700:3033::6815:1fc2 2606:4700:3035::ac43:b39c (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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	2410159151
Primary NS (MNAME)	rommy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

29ms

AAAA

39ms

TXT

146ms

CAA

32ms

HTTPS

33ms

TLSA

108ms

SOA

0ms

MTA-STS

76ms

DNSSEC

120ms

SRV

82ms

Total

1341ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:13:01	618ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 21:19:25	559ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 03:46:53	1330ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 21:25:25	1212ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 20:29:29	589ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 17:56:10	645ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-22 18:54:18 shown	1341ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 18:40:10	827ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-18 05:38:20	797ms	2 NS 2 A 0 MX	🔓 Insecure