pregel.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
desiree.ns.cloudflare.com	108.162.194.13 162.159.38.13 172.64.34.13 2606:4700:50::a29f:260d 2803:f800:50::6ca2:c20d 2a06:98c1:50::ac40:220d	desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com desiree.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yadiel.ns.cloudflare.com	108.162.195.4 162.159.44.4 172.64.35.4 2606:4700:58::a29f:2c04 2803:f800:50::6ca2:c304 2a06:98c1:50::ac40:2304	yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com yadiel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.88.251.84	300s	83-88-251-84-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	83.88.192.0/18	🇩🇰 Denmark	Taastrup

📧 MX Records3 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	300s	mail.0tx.dk	135.181.98.40 2a01:4f9:c011:bc01::1	mail.0tx.dk mail.0tx.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
40	300s	pmg.domingo.dk	2a01:4f8:c012:9adf::1 49.13.214.145	pmg.domingo.dk pmg.domingo.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
100	300s	backupmx.domingo.dk	83.88.251.84	83-88-251-84-cable.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.0tx.dk → 135.181.98.40
🔶 Autoconfig	mail.0tx.dk → 135.181.98.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 127ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	mail.0tx.dk

📝 TXT Records2 records 275ms

TXT Record
google-site-verification=RUPDAsuiUjX7TEPoTE-fPhP_Jd1fN8_gVafxFz83vDo
v=spf1 include:_spf.0tx.dk -all

✉️ SPF

Policy	Record (pregel.dk)
-all (hard fail)	v=spf1 include:_spf.0tx.dk -all

📨 DMARC

Policy	Record (_dmarc.pregel.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:7822fffe46f649f0ac1c4535df62d986@dmarc-reports.cloudflare.net;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 64ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE1 records 144ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.0tx.dk	DANE-EE · SPKI · SHA-256	CA0670673BBB301601491AE6821DB45B…

🔐 DNSSEC176ms

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

🏷️ SOA0ms

Field	Value
Serial	2413080868
Primary NS (MNAME)	desiree.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

61ms

A

56ms

MX

82ms

AAAA

73ms

TXT

275ms

CAA

64ms

HTTPS

70ms

TLSA

144ms

SOA

0ms

MTA-STS

105ms

DNSSEC

176ms

SRV

127ms

Total

2928ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 17:16:13	2928ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-19 06:34:53	17552ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-11 16:13:02	3602ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-17 18:00:13	1792ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 09:11:22	3531ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 17:30:16	3014ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 00:02:03	1547ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 22:32:25	1436ms	2 NS 1 A 3 MX	🔒 Secure	View