tunn.dk

📜 Historical scan 2026-09-26 22:15:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tunn.dk is a .dk domain served by 2 nameservers (ns1.vultr.com, ns2.vultr.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.141.223.166 is hosted by The Constant Company, LLC (AS20473) in The Netherlands. Mail is handled by tunn.dk. The zone is not DNSSEC-signed, publishes a 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.vultr.com	173.199.96.96 2001:19f0:ccc::1 2001:19f0:ccd::1	ns1.vultrusercontent.com — ns1.vultr.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
ns2.vultr.com	173.199.96.97 2001:19f0:ccc::2 2001:19f0:ccd::2	ns2.vultrusercontent.com — ns2.vultr.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.141.223.166	300s	mail.hobit.dk	AS20473	The Constant Company, LLC	78.141.192.0/18	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	tunn.dk	78.141.223.166	mail.hobit.dk	AS20473 The Constant Company, LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	tunn.dk → 78.141.223.166
🔶 Autoconfig	tunn.dk → 78.141.223.166

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 228ms

TXT Record
v=spf1 a mx a:tunn.dk ?all

✉️ SPF#

Policy	Record (tunn.dk)
?all (neutral)	v=spf1 a mx a:tunn.dk ?all

📨 DMARC#

Policy	Record (_dmarc.tunn.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:mh@hobit.dk;ruf=mailto:mh@Hobit.dk;ri=86400;aspf=r;adkim=r;fo=1

📬 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 08:13:12

www CNAME	tunn.dk (all on tunn.dk) → 78.141.223.166 (AS20473)
www vs bare domain	Same network tunn.dk: 78.141.223.166 (AS20473) www.tunn.dk: 78.141.223.166 (AS20473)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9071ms

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	0
Primary NS (MNAME)	ns1.vultr.com
Responsible (RNAME)	dnsadm@choopa.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

41ms

48ms

AAAA

50ms

TXT

228ms

CAA

47ms

HTTPS

56ms

TLSA

1621ms

SOA

0ms

MTA-STS

71ms

DNSSEC

9071ms

SRV

80ms

Total

11171ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 06:30:02	1915ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 16:24:07	1507ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 22:15:06 shown	11171ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 23:18:31	2119ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 19:59:29	1111ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-23 23:47:08	1077ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 17:42:32	864ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 05:44:46	938ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:29:46	727ms	2 NS 1 A 1 MX	🔓 Insecure