serp.dk

📜 Historical scan 2026-09-11 00:24:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

serp.dk is a .dk domain served by 2 nameservers (marjory.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 18 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.172 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.forwardemail.net, mx2.forwardemail.net. 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
marjory.ns.cloudflare.com	108.162.192.193 172.64.32.193 173.245.58.193 2606:4700:50::adf5:3ac1 2803:f800:50::6ca2:c0c1 2a06:98c1:50::ac40:20c1	marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com marjory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marty.ns.cloudflare.com	108.162.193.204 172.64.33.204 173.245.59.204 2606:4700:58::adf5:3bcc 2803:f800:50::6ca2:c1cc 2a06:98c1:50::ac40:21cc	marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.172	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.212.98	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.forwardemail.net	121.127.44.56 138.197.213.185 2604:a880:2:d0::306:1 2a02:6ea0:d71e::2	mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net	AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS60068 Datacamp Limited
10	300s	mx2.forwardemail.net	104.248.224.170 121.127.44.59 2604:a880:400:d1::cd:9001 2a02:6ea0:d71e::1	mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net	AS14061 DigitalOcean, LLC AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS60068 Datacamp Limited

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	serp.dk → 185.151.30.159
🔶 Autoconfig	serp.dk → 185.151.30.159

🔷 AAAA Records (IPv6)#

2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d462	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:3dac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.172,172.67.212.98 ech=AEX+DQBB5AAgACBMhVVf6tmu6d881PDBPh3xIVG9fojzMIUMsz2FJeZWGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d462,2606:4700:3035::6815:3dac

📝 TXT Records#

3 records 173ms

TXT Record
forward-email=riisager@gmail.com
google-site-verification=W2N9cAda5HmKzi4_9_KhD9pY_Z6ayxJYx3d5JRKMrlI
v=spf1 a mx include:spf.forwardemail.net include:_spf.google.com -all

✉️ SPF#

Policy	Record (serp.dk)
-all (hard fail)	v=spf1 a mx include:spf.forwardemail.net include:_spf.google.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 2026-10-10 07:39:26

www	104.21.61.172 172.67.212.98 2606:4700:3033::ac43:d462 2606:4700:3035::6815:3dac (AS13335) (address records, no CNAME)
www vs bare domain	Same network serp.dk: 104.21.61.172 172.67.212.98 2606:4700:3033::ac43:d462 2606:4700:3035::6815:3dac (AS13335) www.serp.dk: 104.21.61.172 172.67.212.98 2606:4700:3033::ac43:d462 2606:4700:3035::6815:3dac (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.serp.dk	serp.dk

🔗 TLSA / DANE#

4 records 66ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…

🔐 DNSSEC#

109ms

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	2414334737
Primary NS (MNAME)	marjory.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 10:29:47

Field	Value
Registrar	Netsite A/S
Registered	2008-06-18
Expires	2027-07-31 (285d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

37ms

40ms

AAAA

29ms

TXT

173ms

CAA

40ms

HTTPS

38ms

TLSA

66ms

SOA

0ms

MTA-STS

63ms

DNSSEC

109ms

SRV

62ms

Total

1645ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 07:28:14	645ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-11 16:19:21	1208ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-11 00:24:20 shown	1645ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-03 03:57:24	957ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-10 04:22:15	1517ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-13 09:14:36	1658ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-28 04:43:21	1119ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-27 08:35:49	1030ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-26 08:10:12	1193ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 17:51:23	1576ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-22 09:22:30	1185ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:01:09	568ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-21 05:29:03	745ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 11:47:20	1548ms	2 NS 2 A 2 MX	🔓 Insecure