efterse.dk

📜 Historical scan 2026-08-12 08:44:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efterse.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 August 2026 (WHOIS) and first appeared in the .dk zone on 12 August 2026. Its website address 94.231.103.75 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.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#

3 records 273ms

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

🌍 A Records#

1 records 232ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.75	3600s	linux131.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 223ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.103.75
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 320ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 557ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (efterse.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.efterse.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-08 09:04:40

www	94.231.103.75 (AS48854) (address records, no CNAME)
www vs bare domain	Same network efterse.dk: 94.231.103.75 (AS48854) www.efterse.dk: 94.231.103.75 (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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 260ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

456ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081101
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 2026-10-04 03:03:47

Field	Value
Registrar	Simply.com A/S
Registered	2026-08-11
Expires	2027-08-10 (296d)

📋 WHOIS#

⏱️ Lookup Timing#

273ms

232ms

223ms

AAAA

271ms

TXT

557ms

CAA

214ms

HTTPS

260ms

TLSA

260ms

SOA

0ms

MTA-STS

342ms

DNSSEC

456ms

SRV

320ms

Total

5110ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 02:49:08	480ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 02:32:17	724ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 15:56:57	545ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-18 03:11:22	518ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-12 08:44:33 shown	5110ms	3 NS 1 A 1 MX	🔒 Secure