tunn.dk

📜 Historical scan 2026-06-21 17:42:32 · ← 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 58ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.141.223.166	600s	mail.hobit.dk	AS20473	The Constant Company, LLC	78.141.192.0/18	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	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 231ms

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#

69ms

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

🏷️ SOA#

50ms

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#

58ms

45ms

70ms

AAAA

65ms

TXT

231ms

CAA

54ms

HTTPS

67ms

TLSA

296ms

SOA

50ms

MTA-STS

113ms

DNSSEC

69ms

SRV

124ms

Total

864ms

🕐 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	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 shown	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