sbjerg.dk

📜 Historical scan 2026-09-24 23:37:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sbjerg.dk is a .dk domain served by 2 nameservers (burt.ns.cloudflare.com, cloe.ns.cloudflare.com). It was registered on 30 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.144.235 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by mail.lurendrejer.dk. The zone is DNSSEC-signed and validates, 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
burt.ns.cloudflare.com	108.162.193.79 172.64.33.79 173.245.59.79 2606:4700:58::adf5:3b4f 2803:f800:50::6ca2:c14f 2a06:98c1:50::ac40:214f	burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com burt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cloe.ns.cloudflare.com	108.162.192.86 172.64.32.86 173.245.58.86 2606:4700:50::adf5:3a56 2803:f800:50::6ca2:c056 2a06:98c1:50::ac40:2056	cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com cloe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.144.235	300s	mail.lurendrejer.dk	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.lurendrejer.dk	2a13:e744:48ef::5 91.226.144.235	mail.lurendrejer.dk mail.lurendrejer.dk	AS216275 Netnoerden ApS AS216275 Netnoerden ApS

🔷 AAAA Records (IPv6)#

1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a13:e744:48ef:102::2	300s	—	AS216275	Netnoerden ApS	2a13:e740:0:0:0:0:0:0/29	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 178ms

TXT Record
google-site-verification=PzBKR7S7bSXt3SXrN_F1FtFIh-XWvUAh_PuCptms7jc
v=spf1 mx -all

✉️ SPF#

Policy	Record (sbjerg.dk)
-all (hard fail)	v=spf1 mx -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 2026-10-16 22:12:54

www CNAME	sbjerg.dk (all on sbjerg.dk) → 91.226.144.235 2a13:e744:48ef:102::2 (AS216275)
www vs bare domain	Same network sbjerg.dk: 91.226.144.235 2a13:e744:48ef:102::2 (AS216275) www.sbjerg.dk: 91.226.144.235 2a13:e744:48ef:102::2 (AS216275)
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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sbjerg.dk	QfHIKniIiZQX9BpfxfOlOTf4yHWC_Z-HmY_mL8eZPZo
TXT	_acme-challenge.sbjerg.dk	tE-ObhR-g-BLYlfWx6rGd8HthsC9yV8IZfs8JZ7Ujjk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415685053
Primary NS (MNAME)	burt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 07:30:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-05-30
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

49ms

42ms

AAAA

46ms

TXT

178ms

CAA

33ms

HTTPS

28ms

TLSA

1378ms

SOA

0ms

MTA-STS

62ms

DNSSEC

120ms

SRV

71ms

Total

2064ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 22:12:54	2255ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 18:22:41	468ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 02:09:26	4600ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 00:19:08	776ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 23:37:50 shown	2064ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:10:28	4560ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:10:18	2980ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 05:09:43	982ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 03:45:24	1046ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 02:54:40	2607ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 05:22:49	2851ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 19:57:03	1694ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 19:42:17	2434ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 03:06:58	3570ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-09 23:26:55	3746ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 01:06:37	2233ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 12:07:57	1172ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 15:21:51	1177ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 07:25:57	831ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:22:54	2896ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 00:26:24	971ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 22:07:51	1771ms	2 NS 1 A 1 MX	🔒 Secure