nsfv.dk DNS records

🖥️ Nameservers2 records 120ms

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 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.132	3600s	webcluster5.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 115ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nsfv-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::26 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 52.101.68.29 52.101.73.153 52.101.73.6 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	77.111.240.132

🔷 AAAA Records (IPv6)1 records 99ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:21:610a:52a5:6a14	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 175ms

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

📝 TXT Records1 records 354ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (nsfv.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com include:_custspf.one.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	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026082804
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-04 12:07:17

Field	Value
Registrar	ONE.COM A/S
Registered	2009-12-28
Expires	2026-12-31 (120d)

📋 WHOIS

⏱️ Lookup Timing

NS

120ms

A

67ms

MX

115ms

AAAA

99ms

TXT

354ms

CAA

99ms

HTTPS

117ms

TLSA

812ms

SOA

0ms

MTA-STS

124ms

DNSSEC

240ms

SRV

175ms

Total

1917ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 17:11:31	1917ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 12:03:50	3653ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 09:10:37	1683ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 04:33:40	816ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 06:29:52	1674ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:27:31	2472ms	2 NS 1 A 1 MX	🔒 Secure	View