tautologi.dk DNS records

🖥️ Nameservers2 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
bjorn.ns.cloudflare.com	108.162.195.98 162.159.44.98 172.64.35.98 2606:4700:58::a29f:2c62 2803:f800:50::6ca2:c362 2a06:98c1:50::ac40:2362	bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com bjorn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
haley.ns.cloudflare.com	108.162.194.15 162.159.38.15 172.64.34.15 2606:4700:50::a29f:260f 2803:f800:50::6ca2:c20f 2a06:98c1:50::ac40:220f	haley.ns.cloudflare.com haley.ns.cloudflare.com haley.ns.cloudflare.com haley.ns.cloudflare.com haley.ns.cloudflare.com haley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.16.164	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.218	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
17	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
36	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
72	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.16.164
🔶 Autoconfig	172.67.214.218

🔷 AAAA Records (IPv6)2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:10a4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d6da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.16.164,172.67.214.218 ech=AEX+DQBB0wAgACBvcdMNkiAKssD1MMlAjwQ9suAXxEyj8jm+B6MzOy6bHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:10a4,2606:4700:3035::ac43:d6da

📝 TXT Records2 records 292ms

TXT Record
tautologi.dk is tautologi.dk
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (tautologi.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC

Policy	Record (_dmarc.tautologi.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:08b84ed52d114e86838b9f89a704ce61@dmarc-reports.cloudflare.net

📬 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 / DANE9 records 88ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC79ms

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

🏷️ SOA0ms

Field	Value
Serial	2412967979
Primary NS (MNAME)	bjorn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-06 19:12:08

Field	Value
Registrar	Simply.com A/S
Registered	2013-02-06
Expires	2026-07-31 (expired)

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

56ms

MX

55ms

AAAA

49ms

TXT

292ms

CAA

53ms

HTTPS

48ms

TLSA

88ms

SOA

0ms

MTA-STS

70ms

DNSSEC

79ms

SRV

120ms

Total

1964ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 15:06:40	1964ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-11 13:07:01	6856ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-31 18:50:28	1934ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-06 19:04:30	15069ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-23 17:02:05	3733ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-23 12:24:40	1128ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:11:43	6371ms	2 NS 2 A 3 MX	🔒 Secure	View