mtcr.dk

📜 Historical scan 2026-08-13 22:46:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mtcr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 40.113.34.84 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mtcr-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#

2 records 241ms

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 Records#

1 records 243ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
40.113.34.84	600s	—	AS8075	Microsoft Corporation	40.112.0.0/13	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 263ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mtcr-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.68.18 52.101.73.19 52.101.73.30 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.8
🔶 Autoconfig	40.113.34.84

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 290ms

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

📝 TXT Records#

2 records 522ms

TXT Record
MS=ms48022444
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (mtcr.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.mtcr.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@mtcr.dk

📬 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 2026-10-16 20:38:00

www	40.113.34.84 (AS8075) (address records, no CNAME)
www vs bare domain	Same network mtcr.dk: 40.113.34.84 (AS8075) www.mtcr.dk: 40.113.34.84 (AS8075)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-mtcr-dk._domainkey.itdepartment.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-mtcr-dk._domainkey.itdepartment.onmicrosoft.com	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

398ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081303
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 11:27:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-09-25
Expires	2035-09-30 (3269d)

📋 WHOIS#

⏱️ Lookup Timing#

241ms

243ms

263ms

AAAA

214ms

TXT

522ms

CAA

244ms

HTTPS

283ms

TLSA

476ms

SOA

0ms

MTA-STS

309ms

DNSSEC

398ms

SRV

290ms

Total

4826ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 20:38:00	3245ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 14:58:29	999ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 22:05:05	1112ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:36:06	920ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 04:27:17	766ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 23:32:50	1611ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 22:45:05	1296ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 12:13:19	1196ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:05:12	1439ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 22:46:38 shown	4826ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:07:26	2254ms	2 NS 1 A 1 MX	🔒 Secure