813.dk

📜 Historical scan 2026-09-29 19:33:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

813.dk is a .dk domain served by 2 nameservers (simone.ns.cloudflare.com, skip.ns.cloudflare.com). It was registered on 14 August 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.102 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a 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
simone.ns.cloudflare.com	108.162.194.26 162.159.38.26 172.64.34.26 2606:4700:50::a29f:261a 2803:f800:50::6ca2:c21a 2a06:98c1:50::ac40:221a	simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com simone.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
skip.ns.cloudflare.com	108.162.193.233 172.64.33.233 173.245.59.233 2606:4700:58::adf5:3be9 2803:f800:50::6ca2:c1e9 2a06:98c1:50::ac40:21e9	skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.ns.cloudflare.com skip.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
104.21.43.102	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.6	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.43.102
🔶 Autoconfig	172.67.178.6

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:b206	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2b66	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.102,172.67.178.6 ech=AEX+DQBBdQAgACBHTt+nUMCnx4YXdFUIPvAaY+hxrWwea/aKPGQ064u7UwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b206,2606:4700:3037::6815:2b66

🔌 SRV Records#

1 records 80ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records#

1 records 217ms

TXT Record
v=spf1 include:_spf.google.com include:spf.gigahost.dk ~all

✉️ SPF#

Policy	Record (813.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:spf.gigahost.dk ~all

📨 DMARC#

Policy	Record (_dmarc.813.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:re+c1e0f2c4a52f@inbound.dmarcdigests.com; aspf=s; fo=1

📬 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 2026-10-15 13:18:39

www	104.21.43.102 172.67.178.6 2606:4700:3030::ac43:b206 2606:4700:3037::6815:2b66 (AS13335) (address records, no CNAME)
www vs bare domain	Same network 813.dk: 104.21.43.102 172.67.178.6 2606:4700:3030::ac43:b206 2606:4700:3037::6815:2b66 (AS13335) www.813.dk: 104.21.43.102 172.67.178.6 2606:4700:3030::ac43:b206 2606:4700:3037::6815:2b66 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2416160694
Primary NS (MNAME)	simone.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 16:32:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-08-14
Expires	2027-08-31 (318d)

🔗 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#

38ms

35ms

57ms

AAAA

42ms

TXT

217ms

CAA

39ms

HTTPS

34ms

TLSA

82ms

SOA

48ms

MTA-STS

73ms

DNSSEC

134ms

SRV

80ms

Total

870ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 13:18:39	468ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-29 19:33:27 shown	870ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-28 19:22:40	1506ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-28 00:43:36	2762ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-18 21:29:31	3712ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-17 14:11:41	5944ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-04 03:14:03	1229ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-28 08:05:28	1547ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-26 01:30:50	916ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-19 03:53:36	4875ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 12:52:17	1547ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-16 12:49:47	1679ms	2 NS 2 A 3 MX	🔓 Insecure