borsting-biehl.dk

📜 Historical scan 2026-09-29 01:17:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

borsting-biehl.dk is a .dk domain served by 2 nameservers (giancarlo.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 12 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.209 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.spamfilter.io. The zone is DNSSEC-signed and validates, 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
giancarlo.ns.cloudflare.com	108.162.195.5 162.159.44.5 172.64.35.5 2606:4700:58::a29f:2c05 2803:f800:50::6ca2:c305 2a06:98c1:50::ac40:2305	giancarlo.ns.cloudflare.com giancarlo.ns.cloudflare.com giancarlo.ns.cloudflare.com giancarlo.ns.cloudflare.com giancarlo.ns.cloudflare.com giancarlo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.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
104.21.85.209	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.33	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:d321	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:55d1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.209,172.67.211.33 ech=AEX+DQBBpgAgACCtvfDkKOMYTfX+rP/a4quy+nWwP4g4s/E3+7aelwKfJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d321,2606:4700:3037::6815:55d1

📝 TXT Records#

1 records 175ms

TXT Record
v=spf1 ip4:176.20.60.253 -all

✉️ SPF#

Policy	Record (borsting-biehl.dk)
-all (hard fail)	v=spf1 ip4:176.20.60.253 -all

📨 DMARC#

Policy	Record (_dmarc.borsting-biehl.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=s

📬 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 20:16:11

www	104.21.85.209 172.67.211.33 2606:4700:3031::ac43:d321 2606:4700:3037::6815:55d1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network borsting-biehl.dk: 104.21.85.209 172.67.211.33 2606:4700:3031::ac43:d321 2606:4700:3037::6815:55d1 (AS13335) www.borsting-biehl.dk: 104.21.85.209 172.67.211.33 2606:4700:3031::ac43:d321 2606:4700:3037::6815:55d1 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.borsting-biehl.dk	2msE5WlqqFm504avHBLM-Q2XyZfYNsC8Go5WCGIcBmQ
TXT	_acme-challenge.borsting-biehl.dk	SoOeUU4V524o58BjjKFIcsLWVvxGqU79cPFVX1gAa30

🔗 TLSA / DANE#

1 records 55ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC#

108ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2416073127
Primary NS (MNAME)	giancarlo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 16:39:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-03-12
Expires	2027-03-31 (159d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
hebia.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

37ms

36ms

AAAA

42ms

TXT

175ms

CAA

37ms

HTTPS

32ms

TLSA

55ms

SOA

0ms

MTA-STS

59ms

DNSSEC

108ms

SRV

57ms

Total

704ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 20:16:11	535ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 16:04:05	3077ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 13:54:07	1178ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 01:49:11	1080ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 01:17:18 shown	704ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 00:53:38	794ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 00:33:50	701ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 20:20:55	1436ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-18 22:40:56	1127ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 15:34:23	1015ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 07:31:21	1705ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-11 12:54:58	2219ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-04 11:41:25	602ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-24 20:35:27	16724ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 02:39:56	25126ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-05 21:37:02	1706ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-09 06:18:33	1370ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-29 10:38:18	1182ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 08:58:05	1858ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 05:29:47	1375ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 18:02:16	860ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 16:16:01	661ms	2 NS 2 A 1 MX	🔒 Secure