nctas.dk

📜 Historical scan 2026-10-01 06:00:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nctas.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 April 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.221.112 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by nctas-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 116ms

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

🌍 A Records#

1 records 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.221.112	600s	112.221.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records#

1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	nctas-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::8 52.101.209.31 52.101.68.10 52.101.68.15 52.101.68.27	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.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	35.214.221.112

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 378ms

TXT Record
0ed1fe018a72272e8e441b473cb58aa0
google-site-verification=Mj1ZcWWqRg6cZOCG3hrxIoHXC_Y_FUXjwsrvG529CWs
MS=ms59880052
v=spf1 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.simply.com include:_spf.host123.dk ~all

✉️ SPF#

Policy	Record (nctas.dk)
~all (soft fail)	v=spf1 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.simply.com include:_spf.host123.dk ~all

📨 DMARC#

Policy	Record (_dmarc.nctas.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 14:42:08

www	35.214.221.112 (AS15169) (address records, no CNAME)
www vs bare domain	Same network nctas.dk: 35.214.221.112 (AS15169) www.nctas.dk: 35.214.221.112 (AS15169)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY
BIMI	v=BIMI1;l=https://nctas.dk/bimi-logo.svg;a=

✍️ DKIM keys#

2 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit
selector1	selector1-nctas-dk._domainkey.nctdk.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

381ms

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

🏷️ SOA#

80ms

Field	Value
Serial	2026093000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 15:01:49

Field	Value
Registrar	Simply.com A/S
Registered	2009-04-23
Expires	2027-04-30 (194d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
monttech.dk	Simply.com A/S
n-c-t.dk	Simply.com A/S
nct.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

116ms

100ms

92ms

AAAA

119ms

TXT

378ms

CAA

107ms

HTTPS

110ms

TLSA

1038ms

SOA

80ms

MTA-STS

203ms

DNSSEC

381ms

SRV

159ms

Total

2681ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:42:08	1054ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:00:14 shown	2681ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 05:39:36	957ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-24 16:32:49	823ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-01 22:35:14	1344ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 15:09:35	1101ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 12:34:51	1242ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-13 09:23:08	4045ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 12:23:11	781ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-28 00:42:39	11141ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 21:46:56	1147ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 17:05:18	2625ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:34:43	1311ms	3 NS 1 A 1 MX	🔒 Secure