upb.dk DNS records

🖥️ Nameservers4 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns11.rockinghoster.de	195.242.100.11	ns1.domainrobot.center	AS9211 Nawork Internet Informationssysteme 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 Records4 records 45ms

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 Records1 records 32ms

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	91.216.248.30
🔶 Autoconfig	91.216.248.2

🔷 AAAA Records (IPv6)4 records 32ms

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 Records1 records 224ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC112ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns11.rockinghoster.de
Responsible (RNAME)	hostmaster@rockinghoster.de
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

45ms

MX

32ms

AAAA

32ms

TXT

224ms

CAA

37ms

HTTPS

43ms

TLSA

7377ms

SOA

0ms

MTA-STS

60ms

DNSSEC

112ms

SRV

79ms

Total

10637ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:23:22	10637ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-08-20 10:03:20	2893ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-08-14 07:08:11	2151ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-08-07 03:59:49	3803ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-08-03 17:00:57	2473ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-07-23 04:44:55	2606ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-07-16 05:36:48	1807ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-07-11 02:29:56	11704ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-07-03 09:03:22	4668ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-28 00:03:55	2787ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-19 01:13:22	6308ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 19:36:31	1582ms	4 NS 4 A 1 MX	🔓 Insecure	View