dtgu.dk

Records from scan: 2026-10-12 23:27:22 · 2252ms total · last checked 2026-10-17 09:08 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtgu.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 20 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.137 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dtgu-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 35ms

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 Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.137	3600s	linux254.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	dtgu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca21::8 2a01:111:f403:ca48::12 2a01:111:f403:ca48::8 52.101.103.137 52.101.103.143 52.101.181.153 52.101.91.153	mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 78ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 126ms

TXT Record
MS=ms20357006
v=spf1 ip4:194.255.110.29 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dtgu.dk)
-all (hard fail)	v=spf1 ip4:194.255.110.29 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-12 23:27:22

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network dtgu.dk: 93.191.156.137 (AS48854) www.dtgu.dk: 94.231.103.100 (AS48854)
Wildcard	No
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

45ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2026101200
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 23:51:55

Field	Value
Registrar	Simply.com A/S
Registered	2017-12-20
Expires	2026-12-31 (74d)

🔗 Same registrant#

2 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
danskhv.dk	Simply.com A/S
travinfo.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

35ms

28ms

34ms

AAAA

35ms

TXT

126ms

CAA

47ms

HTTPS

28ms

TLSA

1892ms

SOA

23ms

MTA-STS

48ms

DNSSEC

45ms

SRV

78ms

Total

2252ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:27:22 shown	2252ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 06:20:48	1113ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 22:59:57	949ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 21:20:36	651ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 03:07:57	1184ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 11:50:36	1274ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:45:52	986ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:50:23	719ms	4 NS 1 A 1 MX	🔒 Secure