buh.dk

📜 Historical scan 2026-09-17 21:15:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buh.dk is a .dk domain served by 4 nameservers (ns1.darkserv.net, ns2.darkserv.net, ns3.darkserv.net and 1 more). It was registered on 2 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.darkserv.net. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

4 records 84ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.darkserv.net	2001:1b40:5600:fe00::53 5.39.19.99	ns1.darkserv.net ns3.darkserv.net	AS20860 Iomart Cloud Services Limited AS16276 OVH SAS
ns2.darkserv.net	2001:41d0:2:aa69::53 5.39.19.99	ns4.darkserv.net ns3.darkserv.net	AS16276 OVH SAS AS16276 OVH SAS
ns3.darkserv.net	2001:41d0:2:aa69::53 5.39.19.99	ns4.darkserv.net ns3.darkserv.net	AS16276 OVH SAS AS16276 OVH SAS
ns4.darkserv.net	2001:41d0:2:aa69::53	ns4.darkserv.net	AS16276 OVH SAS

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mail.darkserv.net	2001:1b40:5600:fe00:beef:beef:beef:beef 91.245.218.3	mail.darkserv.net mail.darkserv.net	AS20860 Iomart Cloud Services Limited AS20860 Iomart Cloud Services Limited

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 579ms

TXT Record
v=spf1 include:_spf.darkserv.net -all

✉️ SPF#

Policy	Record (buh.dk)
-all (hard fail)	v=spf1 include:_spf.darkserv.net -all

📨 DMARC#

Policy	Record (_dmarc.buh.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:rua@dmarc.darkserv.email; ruf=mailto:ruf@dmarc.darkserv.email; fo=1:d:s:0

📬 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 2026-10-17 19:45:11

www	91.245.218.255 (AS20860) (address records, no CNAME)
www vs bare domain	Same network buh.dk: 91.245.218.255 (AS20860) www.buh.dk: 91.245.218.255 (AS20860)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9083ms

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	2021010201
Primary NS (MNAME)	ns1.darkserv.net
Responsible (RNAME)	hostmaster@darkserv.net
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 17:12:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-12-02
Expires	2031-10-31 (1838d)

📋 WHOIS#

⏱️ Lookup Timing#

84ms

4037ms

72ms

AAAA

2093ms

TXT

579ms

CAA

2092ms

HTTPS

2085ms

TLSA

204ms

SOA

0ms

MTA-STS

2152ms

DNSSEC

9083ms

SRV

4037ms

Total

14033ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 19:45:11	10004ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-05 21:23:38	41563ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-23 19:13:44	39560ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-17 21:15:40 shown	14033ms	4 NS 0 A 1 MX	🔓 Insecure
2026-08-28 00:48:44	41707ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-22 17:48:36	13813ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-18 08:36:56	21786ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-24 22:41:54	49276ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-11 02:26:44	48998ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:42:55	5353ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:35:59	10946ms	4 NS 1 A 1 MX	🔓 Insecure