nct.dk DNS records

🖥️ Nameservers4 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.221.112	3600s	112.221.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	nct-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::9 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 52.101.68.39 52.101.73.1 52.101.73.26 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.40
🔶 Autoconfig	nctas.dk → 35.214.221.112

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 148ms

TXT Record
0ed1fe018a05ef11d62a8a44ea9a480921bd596d47
0ed1fe018a2067b682ae46461b8b32a4
google-site-verification=uvCTE4VLEwbBmj6qq5OE-IruWNjmoiQHQj4K_wQHWcY
MS=ms50343273
v=spf1 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:secureserver.net include:spf.simply.com a:relay.nctas.dk include:servers.mcsv.net ip4:185.58.84.0/24 ip4:185.58.87.0/24 ~all

✉️ SPF

Policy	Record (nct.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:secureserver.net include:spf.simply.com a:relay.nctas.dk include:servers.mcsv.net ip4:185.58.84.0/24 ip4:185.58.87.0/24 ~all

📨 DMARC

Policy	Record (_dmarc.nct.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:reports@dmarc.host123.dk; ruf=mailto:reports@dmarc.host123.dk; fo=1; adkim=s; aspf=s;

📬 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
CNAME	_acme-challenge.nct.dk	nctas.dk
TXT	nctas.dk	0ed1fe018a72272e8e441b473cb58aa0

🔗 TLSA / DANE

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

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

44ms

A

41ms

MX

52ms

AAAA

40ms

TXT

148ms

CAA

45ms

HTTPS

30ms

TLSA

400ms

SOA

0ms

MTA-STS

64ms

DNSSEC

74ms

SRV

75ms

Total

1485ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 21:39:28	1485ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 12:59:22	1004ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:55:34	1027ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:38:14	924ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:52:33	1521ms	4 NS 1 A 1 MX	🔒 Secure	View