zub.dk DNS records

🖥️ Nameservers3 records 153ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.second-ns.com	213.239.204.242 2a01:4f8:0:a101::b:1	ns.second-ns.com ns.second-ns.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns1.your-server.de	213.133.100.102 2a01:4f8:0:1::5ddc:1	ns1.your-server.de ns1.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.second-ns.de	193.47.99.4 2001:67c:192c::add:b3	ns3.second-ns.de ns3.second-ns.de	AS12337 noris network AG AS12337 noris network AG

🌍 A Records1 records 151ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.46.220.197	60s	www577.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 151ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	www577.your-server.de	2a01:4f8:d0a:43e4::2 78.46.220.197	www577.your-server.de www577.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	mail.your-server.de → 78.46.5.205

🔷 AAAA Records (IPv6)1 records 157ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:d0a:43e4::2	60s	www577.your-server.de	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 1457ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	mail.your-server.de
_imaps._tcp	0	100	993	mail.your-server.de

📝 TXT Records1 records 403ms

TXT Record
v=spf1 +a +mx ?all

✉️ SPF

Policy	Record (zub.dk)
?all (neutral)	v=spf1 +a +mx ?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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.zub.dk	Ov7yM6AvViji8_uYfgNZjk8dLcJfXYlmfvaG03jPA9c

🔗 TLSA / DANE

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

🔐 DNSSEC264ms

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

🏷️ SOA152ms

Field	Value
Serial	2026060600
Primary NS (MNAME)	ns1.your-server.de
Responsible (RNAME)	postmaster@your-server.de
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-07-04 16:51:04

Field	Value
Registrar	CURANET A/S
Registered	2013-09-24
Expires	2026-09-30 (27d)

📋 WHOIS

⏱️ Lookup Timing

NS

153ms

A

151ms

MX

151ms

AAAA

157ms

TXT

403ms

CAA

149ms

HTTPS

149ms

TLSA

131ms

SOA

152ms

MTA-STS

2073ms

DNSSEC

264ms

SRV

1457ms

Total

2706ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:17:20	971ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 16:02:19	1061ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 10:43:52	1273ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 08:58:37	1203ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 16:48:56	6920ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 12:50:34	1024ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 04:14:53	2706ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 10:04:39	1903ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 23:12:46	770ms	3 NS 1 A 1 MX	🔓 Insecure	View