necsus.dk DNS records

🖥️ Nameservers2 records 36ms

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 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.250.112.240	3600s	lvps91-250-112-240.dedicated.hosteurope.de	AS8972	Host Europe GmbH	91.250.112.0/21	🇫🇷 France	Strasbourg

📧 MX Records2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	necsus-dk.mail.eo.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::c 52.101.103.140 52.101.68.12 52.101.68.39 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00607.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
10	43200s	necsus.dk	91.250.112.240	lvps91-250-112-240.dedicated.hosteurope.de	AS8972 Host Europe GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	91.250.112.240

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 75ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 174ms

TXT Record
MS=ms95195959
v=spf1 include:outlook.com ~all

✉️ SPF

Policy	Record (necsus.dk)
~all (soft fail)	v=spf1 include: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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.necsus.dk	63f_MQGCdQkYASMM4RT8UTPlyhr4AZuRC9EB5MJ-zjQ

🔗 TLSA / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082201
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

36ms

A

77ms

MX

49ms

AAAA

49ms

TXT

174ms

CAA

44ms

HTTPS

40ms

TLSA

3268ms

SOA

0ms

MTA-STS

54ms

DNSSEC

93ms

SRV

75ms

Total

4547ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 18:33:44	4547ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-23 17:56:32	2083ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 16:32:58	4727ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 00:01:29	2769ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 07:25:43	4828ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 03:44:28	4499ms	2 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-20 02:00:26	4597ms	2 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-18 03:30:41	1746ms	2 NS 1 A 2 MX	🔒 Secure	View