due.dk

📜 Historical scan 2026-09-07 08:47:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

due.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.9.24.82 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by due.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.9.24.82	600s	cp14.nordicway.dk	AS24940	Hetzner Online GmbH	176.9.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	due.dk	176.9.24.82	cp14.nordicway.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	due.dk → 176.9.24.82
🔶 Autoconfig	due.dk → 176.9.24.82

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 110ms

TXT Record
v=spf1 mx a ip4:176.9.24.82/32 include:sendgrid.net -all

✉️ SPF#

Policy	Record (due.dk)
-all (hard fail)	v=spf1 mx a ip4:176.9.24.82/32 include:sendgrid.net -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 2026-10-08 01:18:48

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks due.dk: 176.9.24.82 (AS24940) www.due.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u5496289.wl040.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u5496289.wl040.sendgrid.net	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.due.dk	due.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

28ms

29ms

25ms

AAAA

32ms

TXT

110ms

CAA

26ms

HTTPS

29ms

TLSA

37ms

SOA

0ms

MTA-STS

41ms

DNSSEC

100ms

SRV

40ms

Total

532ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 22:45:57	2095ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 08:47:36 shown	532ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 20:49:09	584ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 21:11:45	854ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 12:32:27	576ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 10:13:21	795ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:55:46	701ms	2 NS 1 A 1 MX	🔒 Secure