buh.dk

📜 Historical scan 2026-08-22 17:48:36 · ← 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. Its website address 91.245.218.255 is hosted by Iomart Cloud Services Limited (AS20860) in Switzerland. 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 101ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.darkserv.net	2001:1b40:5600:fe00::53	ns1.darkserv.net	AS20860 Iomart Cloud Services Limited
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#

1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.245.218.255	14400s	ipv4.91-245-218-255.static.darkserv.net	AS20860	Iomart Cloud Services Limited	91.245.218.0/24	🇨🇭 Switzerland	—

📧 MX Records#

1 records 113ms

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 710ms

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 2026-10-11 07:08:41

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#

9088ms

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

🏷️ SOA#

64ms

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 (1839d)

📋 WHOIS#

⏱️ Lookup Timing#

101ms

81ms

113ms

AAAA

89ms

TXT

710ms

CAA

153ms

HTTPS

91ms

TLSA

195ms

SOA

64ms

MTA-STS

122ms

DNSSEC

9088ms

SRV

165ms

Total

13813ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	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