upb.dk

📜 Historical scan 2026-09-04 08:25:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

upb.dk is a .dk domain served by 4 nameservers (ns11.rockinghoster.de, ns12.rockinghoster.de, ns13.rockinghoster.de and 1 more). It was registered on 21 December 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.216.248.2 is hosted by 23M GmbH (AS47447) in Germany. Mail is handled by mail.upb.dk. The zone is not DNSSEC-signed, 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#

4 records   36ms
NameserverIP addressesPTRASN / ISP
ns11.rockinghoster.de 195.242.100.11 ns1.domainrobot.center AS52051 Opteamax GmbH
ns12.rockinghoster.de 2a01:b1c0:1:20b::4
84.39.109.212		 ns2.dnsserver.center
ns2.domainrobot.center		 AS48200 Opteamax GmbH
AS48200 Opteamax GmbH
ns13.rockinghoster.de 2a01:b1c0:4:20b::4
84.39.110.156		 ns3.dnsserver.center
ns3.domainrobot.center		 AS48200 Opteamax GmbH
AS48200 Opteamax GmbH
ns14.rockinghoster.de 2a01:b1c0:5:20b::4
84.39.108.4		 ns4.dnsserver.center
ns4.domainrobot.center		 AS48200 Opteamax GmbH
AS48200 Opteamax GmbH

🌍 A Records#

4 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.216.248.2 86400s — AS47447 23M GmbH 91.216.248.0/24 🇩🇪 Germany —
91.216.248.30 86400s — AS47447 23M GmbH 91.216.248.0/24 🇩🇪 Germany —
91.216.248.32 86400s — AS47447 23M GmbH 91.216.248.0/24 🇩🇪 Germany —
91.216.248.4 86400s — AS47447 23M GmbH 91.216.248.0/24 🇩🇪 Germany —

📧 MX Records#

1 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.upb.dk 2a00:f48:2000:affe:fe00::11
2a00:f48:2000:affe:fe00::13
2a00:f48:2000:affe:fe00::34
2a00:f48:2000:affe:fe00::6
91.216.248.2
91.216.248.30
91.216.248.32
91.216.248.4		 —
—
—
—
—
—
—
—		 AS47447 23M GmbH
AS47447 23M GmbH
AS47447 23M GmbH
AS47447 23M GmbH
AS47447 23M GmbH
AS47447 23M GmbH
AS47447 23M GmbH
AS47447 23M GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover91.216.248.30
🔶 Autoconfig91.216.248.4

🔷 AAAA Records (IPv6)#

4 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:f48:2000:affe:fe00::11 86400s — AS47447 23M GmbH 2a00:f48:0:0:0:0:0:0/32 🇩🇪 Germany —
2a00:f48:2000:affe:fe00::13 86400s — AS47447 23M GmbH 2a00:f48:0:0:0:0:0:0/32 🇩🇪 Germany —
2a00:f48:2000:affe:fe00::34 86400s — AS47447 23M GmbH 2a00:f48:0:0:0:0:0:0/32 🇩🇪 Germany —
2a00:f48:2000:affe:fe00::6 86400s — AS47447 23M GmbH 2a00:f48:0:0:0:0:0:0/32 🇩🇪 Germany —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   247ms
TXT Record
v=spf1 a ~all

✉️ SPF#

PolicyRecord (upb.dk)
~all (soft fail) v=spf1 a ~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 01:08:45
www91.216.248.2 91.216.248.30 91.216.248.32 91.216.248.4 2a00:f48:2000:affe:fe00::11 2a00:f48:2000:affe:fe00::13 2a00:f48:2000:affe:fe00::34 2a00:f48:2000:affe:fe00::6 (AS47447) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 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#

103ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026090301
Primary NS (MNAME)ns11.rockinghoster.de
Responsible (RNAME)hostmaster@rockinghoster.de
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 19:21:05
FieldValue
RegistrarRegistryGate GmbH
Registered2016-12-21
Expires2026-12-31 (74d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
35ms
MX
33ms
AAAA
41ms
TXT
247ms
CAA
35ms
HTTPS
43ms
TLSA
2757ms
SOA
0ms
MTA-STS
66ms
DNSSEC
103ms
SRV
76ms
Total
3493ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 01:08:45 963ms 4 NS 4 A 1 MX 🔓 Insecure
2026-10-08 12:39:43 3931ms 4 NS 4 A 1 MX 🔓 Insecure
2026-10-02 09:55:40 1552ms 4 NS 4 A 1 MX 🔓 Insecure
2026-10-01 06:17:45 1310ms 4 NS 4 A 1 MX 🔓 Insecure
2026-09-24 11:21:07 2002ms 4 NS 4 A 1 MX 🔓 Insecure
2026-09-22 09:31:32 3502ms 4 NS 4 A 1 MX 🔓 Insecure
2026-09-11 11:30:34 3578ms 4 NS 4 A 1 MX 🔓 Insecure
2026-09-04 08:25:10 shown 3493ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-27 12:23:22 10637ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-20 10:03:20 2893ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-14 07:08:11 2151ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-07 03:59:49 3803ms 4 NS 4 A 1 MX 🔓 Insecure
2026-08-03 17:00:57 2473ms 4 NS 4 A 1 MX 🔓 Insecure
2026-07-23 04:44:55 2606ms 4 NS 4 A 1 MX 🔓 Insecure
2026-07-16 05:36:48 1807ms 4 NS 4 A 1 MX 🔓 Insecure
2026-07-11 02:29:56 11704ms 4 NS 4 A 1 MX 🔓 Insecure
2026-07-03 09:03:22 4668ms 4 NS 4 A 1 MX 🔓 Insecure
2026-06-28 00:03:55 2787ms 4 NS 4 A 1 MX 🔓 Insecure
2026-06-19 01:13:22 6308ms 4 NS 4 A 1 MX 🔓 Insecure
2026-06-17 19:36:31 1582ms 4 NS 4 A 1 MX 🔓 Insecure
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