ntrv.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
rick.ns.cloudflare.com	108.162.193.139 172.64.33.139 173.245.59.139 2606:4700:58::adf5:3b8b 2803:f800:50::6ca2:c18b 2a06:98c1:50::ac40:218b	rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com rick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
roxy.ns.cloudflare.com	108.162.192.142 172.64.32.142 173.245.58.142 2606:4700:50::adf5:3a8e 2803:f800:50::6ca2:c08e 2a06:98c1:50::ac40:208e	roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.136.93.170	86400s	m14060.contabo.net	AS51167	Contabo GmbH	213.136.64.0/19	🇫🇷 France	Lauterbourg

📧 MX Records3 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
58	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.
68	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.
95	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.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	213.136.93.170
🔶 Autoconfig	213.136.93.170

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 205ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net include:mail-relay.contabo.net include:_spf1.ntrv.dk ~all exp=_spffail.ntrv.dk

✉️ SPF

Policy	Record (ntrv.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net include:mail-relay.contabo.net include:_spf1.ntrv.dk ~all exp=_spffail.ntrv.dk

📨 DMARC

Policy	Record (_dmarc.ntrv.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:0f88ee416ab940ea98d9697c62161c44@dmarc-reports.cloudflare.net

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records11 records 49ms

Flags	Tag	Value
0	iodef	mailto:security@ntrv.dk
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 / DANE9 records 107ms

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

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2412652004
Primary NS (MNAME)	rick.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

42ms

A

46ms

MX

54ms

AAAA

42ms

TXT

205ms

CAA

49ms

HTTPS

39ms

TLSA

107ms

SOA

0ms

MTA-STS

69ms

DNSSEC

83ms

SRV

80ms

Total

1215ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:49:18	1215ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-20 02:50:34	13647ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-30 15:49:26	1940ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-27 00:22:48	2284ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-15 14:50:13	1636ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-03 19:07:55	1656ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 10:09:48	3877ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 00:23:14	1327ms	2 NS 1 A 3 MX	🔒 Secure	View