dduk.dk DNS records

🖥️ Nameservers2 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
172.66.0.125	3600s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	🇺🇸 United States	—

📧 MX Records5 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lt-in-f27.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 78ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::7d	3600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇸🇦 Saudi Arabia	Riyadh
2a06:98c1:58::7d	3600s	—	AS13335	Cloudflare, Inc.	2a06:98c1:58:0:0:0:0:0/47	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 281ms

TXT Record
v=spf1 include:_spf.google.com a:burdasmtp.hostinghouse.com ~all

✉️ SPF

Policy	Record (dduk.dk)
~all (soft fail)	v=spf1 include:_spf.google.com a:burdasmtp.hostinghouse.com ~all

📨 DMARC

Policy	Record (_dmarc.dduk.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@dduk.dk; ruf=mailto:dmarc@dduk.dk; fo=1; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC9080ms

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	2024030803
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

68ms

A

53ms

MX

59ms

AAAA

78ms

TXT

281ms

CAA

51ms

HTTPS

54ms

TLSA

107ms

SOA

0ms

MTA-STS

92ms

DNSSEC

9080ms

SRV

102ms

Total

9912ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:24:35	9912ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-24 03:02:59	1007ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-22 12:07:59	907ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 01:23:08	611ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 01:20:18	704ms	2 NS 2 A 5 MX	🔓 Insecure	View