upb.dk

📜 Historical scan 2026-09-24 11:21:07 · ← 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 46ms

Nameserver	IP addresses	PTR	ASN / 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 rocdns03.serverconfig.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 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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#

Service	CNAME / IP
🔷 Autodiscover	91.216.248.32
🔶 Autoconfig	91.216.248.2

🔷 AAAA Records (IPv6)#

4 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 342ms

TXT Record
v=spf1 a ~all

✉️ SPF#

Policy	Record (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

www	91.216.248.2 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 domain	Same network upb.dk: 91.216.248.2 91.216.248.30 91.216.248.32 91.216.248.4 (AS47447) www.upb.dk: 91.216.248.2 91.216.248.30 91.216.248.32 91.216.248.4 (AS47447)
Wildcard	Yes: 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#

86ms

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	2026092401
Primary NS (MNAME)	ns11.rockinghoster.de
Responsible (RNAME)	hostmaster@rockinghoster.de
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-13 19:21:05

Field	Value
Registrar	RegistryGate GmbH
Registered	2016-12-21
Expires	2026-12-31 (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#

46ms

58ms

52ms

AAAA

68ms

TXT

342ms

CAA

65ms

HTTPS

75ms

TLSA

253ms

SOA

0ms

MTA-STS

83ms

DNSSEC

86ms

SRV

113ms

Total

2002ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	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