45a.dk

Records from scan: 2026-10-13 14:45:56 · 1914ms total · last checked 2026-10-16 16:11 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

45a.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 April 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by 45a-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 84ms

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 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 143ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	45a-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::e 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::c 52.101.103.140 52.101.185.114 52.101.68.39 52.101.91.159	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-matpr04cu00207.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

📝 TXT Records#

2 records 264ms

TXT Record
MS=ms65136164
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (45a.dk)
-all (hard fail)	v=spf1 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 2026-10-13 14:45:56

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 45a.dk: 94.231.103.100 (AS48854) www.45a.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

243ms

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

🏷️ SOA#

70ms

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 2026-10-11 00:05:26

Field	Value
Registrar	Simply.com A/S
Registered	2010-04-20
Expires	2027-04-30 (195d)

📋 WHOIS#

⏱️ Lookup Timing#

84ms

102ms

143ms

AAAA

84ms

TXT

264ms

CAA

111ms

HTTPS

141ms

TLSA

831ms

SOA

70ms

MTA-STS

143ms

DNSSEC

243ms

SRV

152ms

Total

1914ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:45:56 shown	1914ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 00:27:49	1558ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:17:43	1025ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:45:16	676ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-28 21:04:08	1273ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 18:30:13	2126ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:14:17	809ms	4 NS 1 A 1 MX	🔒 Secure