a78.dk

📜 Historical scan 2026-06-25 05:34:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a78.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 19 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.155 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by a78-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, has no 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 49ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.155	3600s	linux267.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	a78-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.21 52.101.68.32 52.101.73.15 52.101.73.30	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00306.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
🔶 Autoconfig	93.191.156.155

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 446ms

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

📝 TXT Records#

3 records 205ms

TXT Record
google-site-verification=MDpcm1C6oHSAMnsPptiostPJBBJQWyc1XKA25ijLNmQ
MS=ms81124284
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (a78.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.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#

latest probe, not this scan · checked 2026-10-12 22:54:32

www	93.191.156.155 (AS48854) (address records, no CNAME)
www vs bare domain	Same network a78.dk: 93.191.156.155 (AS48854) www.a78.dk: 93.191.156.155 (AS48854)
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

🔎 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#

160ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: failure

🏷️ SOA#

47ms

Field	Value
Serial	2025071100
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 2026-10-11 18:36:44

Field	Value
Registrar	Simply.com A/S
Registered	2002-09-19
Expires	2028-09-30 (714d)

🔗 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#

49ms

48ms

49ms

AAAA

44ms

TXT

205ms

CAA

43ms

HTTPS

48ms

TLSA

146ms

SOA

47ms

MTA-STS

45ms

DNSSEC

160ms

SRV

446ms

Total

1129ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:54:31	1822ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 12:02:16	1140ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 11:59:59	892ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:14:01	1560ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-04 15:33:35	6176ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 05:34:20 shown	1129ms	4 NS 1 A 1 MX	⚠️ Bogus
2026-06-20 22:14:37	2607ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:37:59	696ms	4 NS 1 A 1 MX	🔒 Secure