tantrum.dk DNS records

🖥️ Nameservers5 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.linode.com	2600:14c0:6::2 92.123.94.2	c1-2.akashield.net c1-2.akashield.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
ns2.linode.com	2600:14c0:6::3 92.123.94.3	c1-3.akashield.net c1-3.akashield.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
ns3.linode.com	2600:14c0:7::3 92.123.95.3	c2-3.akashield.net c2-3.akashield.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
ns4.linode.com	2600:14c0:7::4 92.123.95.4	c2-4.akashield.net c2-4.akashield.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.
ns5.linode.com	2600:14c0:7::2 92.123.95.2	c2-2.akashield.net c2-2.akashield.net	AS21342 Akamai International B.V. AS21342 Akamai International B.V.

🌍 A Records1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.233.43.167	300s	mail.tantrum.dk	AS63949	Akamai Connected Cloud	172.233.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	smtp.tantrum.dk	172.233.43.167	mail.tantrum.dk	AS63949 Akamai Connected Cloud

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.233.43.167
🔶 Autoconfig	172.233.43.167

🔷 AAAA Records (IPv6)1 records 75ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2600:3c0e::f03c:94ff:fef7:ae1f	300s	—	AS63949	Akamai Connected Cloud	2600:3c0e:0:0:0:0:0:0/32	🇳🇱 The Netherlands	Amsterdam

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 867ms

TXT Record
google-site-verification=CjalB1-dq_hjnYoosRPKD7jhkVuQwVQQD0qJ_ByiRis
v=spf1 mx -all

✉️ SPF

Policy	Record (tantrum.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.tantrum.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc@tantrum.dk; ruf=mailto:dmarc-forensic@tantrum.dk; pct=100; fo=0:1:d:s;\010

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records3 records 49ms

Flags	Tag	Value
0	iodef	mailto:vps@tantrum.dk
0	issue	letsencrypt.org
0	issue	sectigo.com

🔗 TLSA / DANE

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

🔐 DNSSEC276ms

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	2021000115
Primary NS (MNAME)	ns1.linode.com
Responsible (RNAME)	vps@tantrum.dk
Refresh	14400s
Retry	14400s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

79ms

A

63ms

MX

54ms

AAAA

75ms

TXT

867ms

CAA

49ms

HTTPS

204ms

TLSA

982ms

SOA

0ms

MTA-STS

346ms

DNSSEC

276ms

SRV

409ms

Total

2747ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 21:01:32	2747ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 08:34:47	2463ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 20:14:02	1847ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 01:36:20	1834ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 01:25:59	1305ms	5 NS 1 A 1 MX	🔓 Insecure	View