rent-nu.dk DNS records

🖥️ Nameservers2 records 152ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 130ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.20	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 219ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
3600	3600s	rentnu-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca09::5 2a01:111:f403:ca09::e 52.101.103.137 52.101.73.11 52.101.73.19 52.101.73.2	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.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)1 records 109ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:a1:6ce9:8182:1163	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 429ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rent-nu.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)

🔐 DNSSEC353ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082302
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

152ms

A

130ms

MX

219ms

AAAA

109ms

TXT

429ms

CAA

202ms

HTTPS

186ms

TLSA

230ms

SOA

0ms

MTA-STS

216ms

DNSSEC

353ms

SRV

216ms

Total

3141ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 11:02:47	3141ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 07:48:48	9377ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 02:12:51	2272ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 08:28:01	2126ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 03:27:54	1528ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 10:43:14	974ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 06:10:54	854ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:31:18	1462ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:06:16	1148ms	2 NS 1 A 1 MX	🔒 Secure	View