serringer.dk

📜 Historical scan 2026-06-28 13:55:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

serringer.dk is a .dk domain served by 2 nameservers (colin.ns.cloudflare.com, etta.ns.cloudflare.com). It was registered on 3 August 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 215ms

Nameserver	IP addresses	PTR	ASN / ISP
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
etta.ns.cloudflare.com	108.162.192.156 172.64.32.156 173.245.58.156 2606:4700:50::adf5:3a9c 2803:f800:50::6ca2:c09c 2a06:98c1:50::ac40:209c	etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

6 records 265ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:400c:c1f::1a 74.125.133.26	wi-in-f26.1e100.net wo-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.213.27 2a00:1450:4013:c1e::1a	yugrqzs-in-f27.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	142.250.147.26 2404:6800:4003:c26::1a	rd-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2a00:1450:4010:c22::1a	tp-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
15	300s	yvc24rtco5ne4uouifop7mkser5xont2da7nueji7jsj6fv6t56q.mx-verification.google.com	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-13 13:05:39

www	104.21.82.167 172.67.159.211 2606:4700:3033::6815:52a7 2606:4700:3036::ac43:9fd3 (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves serringer.dk: no address www.serringer.dk: 104.21.82.167 172.67.159.211 2606:4700:3033::6815:52a7 2606:4700:3036::ac43:9fd3 (AS13335) (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

293ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

236ms

Field	Value
Serial	2407119455
Primary NS (MNAME)	colin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 11:32:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-08-03
Expires	2027-08-31 (313d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

215ms

227ms

265ms

AAAA

240ms

TXT

458ms

CAA

248ms

HTTPS

243ms

TLSA

219ms

SOA

236ms

MTA-STS

270ms

DNSSEC

293ms

SRV

393ms

Total

2244ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:05:39	5373ms	2 NS 0 A 6 MX	🔓 Insecure
2026-09-30 22:15:57	639ms	2 NS 0 A 6 MX	🔓 Insecure
2026-09-20 10:27:18	800ms	2 NS 0 A 6 MX	🔓 Insecure
2026-09-15 22:17:38	3425ms	2 NS 0 A 6 MX	🔓 Insecure
2026-08-26 01:00:42	1487ms	2 NS 0 A 6 MX	🔓 Insecure
2026-08-15 21:23:22	1862ms	2 NS 0 A 6 MX	🔓 Insecure
2026-07-19 04:26:51	1404ms	2 NS 0 A 6 MX	🔓 Insecure
2026-06-28 13:55:39 shown	2244ms	2 NS 0 A 6 MX	🔓 Insecure
2026-06-20 03:42:52	813ms	2 NS 0 A 6 MX	🔓 Insecure
2026-06-17 12:58:23	3624ms	2 NS 0 A 6 MX	🔓 Insecure