serridslev.dk

📜 Historical scan 2026-06-17 12:21:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

serridslev.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, melinda.ns.cloudflare.com). It was registered on 10 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.16 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by serridslev-dk.mail.protection.outlook.com. 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
damon.ns.cloudflare.com	108.162.193.96 172.64.33.96 173.245.59.96 2606:4700:58::adf5:3b60 2803:f800:50::6ca2:c160 2a06:98c1:50::ac40:2160	damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melinda.ns.cloudflare.com	108.162.192.198 172.64.32.198 173.245.58.198 2606:4700:50::adf5:3ac6 2803:f800:50::6ca2:c0c6 2a06:98c1:50::ac40:20c6	melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.ns.cloudflare.com melinda.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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.16	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.145	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	serridslev-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::5 52.101.68.39 52.101.73.16 52.101.73.22 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1910	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:dd91	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.16,172.67.221.145 ech=AEX+DQBBEQAgACDI4xqwwmAc0aVdhaScxMRTfCZo1/vM6WMg5h+quY5QUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1910,2606:4700:3035::ac43:dd91

📝 TXT Records#

2 records 142ms

TXT Record
MS=ms15853692
v=spf1 +a +mx include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (serridslev.dk)
~all (soft fail)	v=spf1 +a +mx include:spf.protection.outlook.com ~all

📨 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 2026-09-30 05:54:06

www	Address record (no CNAME)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-serridslev-dk._domainkey.serridslev.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-serridslev-dk._domainkey.serridslev.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

121ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2406874127
Primary NS (MNAME)	damon.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 11:07:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-04-10
Expires	2027-04-30 (193d)

🔗 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#

32ms

31ms

AAAA

30ms

TXT

142ms

CAA

32ms

HTTPS

31ms

TLSA

633ms

SOA

27ms

MTA-STS

48ms

DNSSEC

121ms

SRV

0ms

Total

1560ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-14 15:05:58	1192ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 10:15:45	1014ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 10:55:15	1254ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 11:29:33	1280ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 00:03:59	9561ms	2 NS 2 A 1 MX	❓ Unknown
2026-08-19 23:39:18	2995ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 16:00:28	10285ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 22:47:03	1673ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 18:54:10	1745ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 10:42:40	1085ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 23:13:46	2938ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 12:21:29 shown	1560ms	2 NS 2 A 1 MX	🔓 Insecure