mubj.dk

📜 Historical scan 2026-07-21 03:20:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mubj.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 2 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.245 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mubj-dk.mail.protection.outlook.com, mail.chosting.dk. 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.245	3600s	reseller1.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mubj-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 52.101.68.0 52.101.68.3 52.101.68.36 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am0pr04cu00500.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	3600s	mail.chosting.dk	178.20.216.40 2a01:7cc0:101:ffff::ff	webadm.fioniait.dk webadm.fioniait.dk	AS21060 Atea A/S AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	178.20.216.245

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 269ms

TXT Record
MS=ms59004840
v=spf1 +ip4:178.20.216.245 +include:spf.chosting.dk +include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (mubj.dk)
-all (hard fail)	v=spf1 +ip4:178.20.216.245 +include:spf.chosting.dk +include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.mubj.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-11 15:14:48

www CNAME	mubj.dk (all on mubj.dk) → 65.109.89.100 2a01:4f9:3051:4383:0:1:4:f1 (AS24940)
www vs bare domain	Same network mubj.dk: 65.109.89.100 2a01:4f9:3051:4383:0:1:4:f1 (AS24940) www.mubj.dk: 65.109.89.100 2a01:4f9:3051:4383:0:1:4:f1 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

147ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2024031902
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 15:33:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-03-02
Expires	2027-03-31 (163d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

62ms

49ms

72ms

AAAA

56ms

TXT

269ms

CAA

60ms

HTTPS

61ms

TLSA

431ms

SOA

47ms

MTA-STS

80ms

DNSSEC

147ms

SRV

179ms

Total

17655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 15:14:48	8434ms	5 NS 1 A 2 MX	🔒 Secure
2026-10-01 02:00:39	3710ms	5 NS 1 A 2 MX	🔒 Secure
2026-09-23 16:21:01	3109ms	5 NS 1 A 2 MX	🔒 Secure
2026-09-04 11:10:49	6324ms	5 NS 1 A 2 MX	🔒 Secure
2026-07-21 03:20:38 shown	17655ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 21:53:37	4321ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 09:44:35	918ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 06:09:36	820ms	2 NS 1 A 2 MX	🔒 Secure