rentefri.dk DNS records

🖥️ Nameservers2 records 88ms

Nameserver	IP addresses	PTR	ASN / ISP
darwin.ns.cloudflare.com	108.162.193.151 172.64.33.151 173.245.59.151 2606:4700:58::adf5:3b97 2803:f800:50::6ca2:c197 2a06:98c1:50::ac40:2197	darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nelly.ns.cloudflare.com	108.162.192.209 172.64.32.209 173.245.58.209 2606:4700:50::adf5:3ad1 2803:f800:50::6ca2:c0d1 2a06:98c1:50::ac40:20d1	nelly.ns.cloudflare.com nelly.ns.cloudflare.com nelly.ns.cloudflare.com nelly.ns.cloudflare.com nelly.ns.cloudflare.com nelly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
159.253.94.121	300s	—	AS42903	Itm8 A/S	159.253.88.0/21	🇩🇰 Denmark	Roskilde

📧 MX Records1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rentefri-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 52.101.68.8 52.101.73.11 52.101.73.145 52.101.73.28	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 218ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 334ms

TXT Record
7GUI7fkvPChfnbRoYIRdVqfDWI7Hm1VX9L0lix0AJfI=
MS=ms45972789
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rentefri.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE

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

🔐 DNSSEC240ms

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	2413740123
Primary NS (MNAME)	darwin.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

88ms

A

112ms

MX

80ms

AAAA

94ms

TXT

334ms

CAA

88ms

HTTPS

85ms

TLSA

749ms

SOA

0ms

MTA-STS

112ms

DNSSEC

240ms

SRV

218ms

Total

2263ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 20:05:08	2263ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 18:09:15	2622ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 12:14:58	1138ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 05:49:19	1942ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 19:52:07	1516ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 07:41:38	1111ms	2 NS 1 A 1 MX	🔓 Insecure	View