nct.dk

📜 Historical scan 2026-08-13 21:39:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nct.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 August 2013 (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 nct-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#

4 records   44ms
NameserverIP addressesPTRASN / 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 Records#

1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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 Records#

1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40
🔶 Autoconfignctas.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 Records#

5 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#

PolicyRecord (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#

PolicyRecord (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 06:41:14
www35.214.221.112 (AS43515) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
k1 dkim.mcsv.net RSA · ~1024 bit below 2048 bit
selector1 selector1-nct-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: 8/10 · policy: ~all

  • warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

TypeNameValue
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)

🔐 DNSSEC#

74ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026081200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-13 07:04:16
FieldValue
RegistrarSimply.com A/S
Registered2013-08-22
Expires2027-08-31 (318d)

🔗 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).

DomainRegistrar
monttech.dkSimply.com A/S
n-c-t.dkSimply.com A/S
nctas.dkSimply.com A/S
📋 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 AtDurationRecordsDNSSEC
2026-10-13 06:41:14 2393ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-30 21:28:15 1168ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-26 20:42:01 1539ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-13 21:39:28 shown 1485ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-03 12:59:22 1004ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-24 02:55:34 1027ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-20 16:38:14 924ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 22:52:33 1521ms 4 NS 1 A 1 MX 🔒 Secure
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