buh.dk

📜 Historical scan 2026-07-24 22:41:54  ·  ← 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   216ms
NameserverIP addressesPTRASN / 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#

1 records   8061ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.245.218.255 14396s ipv4.91-245-218-255.static.darkserv.net AS20860 Iomart Cloud Services Limited 91.245.218.0/24 🇨🇭 Switzerland —

📧 MX Records#

1 records   2217ms
PriorityTTLMail ServerIP addressesPTRASN
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   19476ms
TXT Record
v=spf1 include:_spf.darkserv.net -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www91.245.218.255 (AS20860) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 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#

8081ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

58ms
FieldValue
Serial2021010201
Primary NS (MNAME)ns1.darkserv.net
Responsible (RNAME)hostmaster@darkserv.net
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-13 17:12:17
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2014-12-02
Expires2031-10-31 (1839d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
216ms
A
8061ms
MX
2217ms
AAAA
136ms
TXT
19476ms
CAA
210ms
HTTPS
8148ms
TLSA
1610ms
SOA
58ms
MTA-STS
1062ms
DNSSEC
8081ms
SRV
8615ms
Total
49276ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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