n-r-s.dk DNS records

🖥️ Nameservers2 records 128ms

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 120ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.184	3600s	webcluster57.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 101ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nrs-dk0k.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 52.101.68.27 52.101.68.3 52.101.73.11 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 119ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80c0:9088:f100:ff9f	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

🔌 SRV Records1 records 196ms

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

📝 TXT Records1 records 397ms

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

✉️ SPF

Policy	Record (n-r-s.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)

🔐 DNSSEC339ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083005
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

128ms

A

120ms

MX

101ms

AAAA

119ms

TXT

397ms

CAA

188ms

HTTPS

117ms

TLSA

1076ms

SOA

0ms

MTA-STS

132ms

DNSSEC

339ms

SRV

196ms

Total

2511ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:33:43	2511ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 17:08:22	963ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 17:35:01	8996ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 00:26:10	2701ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 15:36:41	1924ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 19:58:26	9782ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:38:13	716ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-18 06:34:46	1646ms	2 NS 1 A 1 MX	🔒 Secure	View