fersa.dk

📜 Historical scan 2026-06-25 13:09:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fersa.dk is a .dk domain served by 2 nameservers (ns1.simpleagencygroup.dk, ns2.simpleagencygroup.dk). It was registered on 19 July 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.240 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.fersa.dk. The zone is DNSSEC-signed and validates, 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#

2 records 132ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simpleagencygroup.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.simpleagencygroup.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 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 133ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.fersa.dk	78.143.96.109	78.143.96.109.static.fibianet.dk	AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.191.155.240
🔶 Autoconfig	93.191.155.240

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 866ms

TXT Record
ca3-88d28ff48e394b0691c8b5e57c755100

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-15 04:48:05

www	93.191.155.240 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fersa.dk: 93.191.155.240 (AS48854) www.fersa.dk: 93.191.155.240 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

658ms

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

🏷️ SOA#

221ms

Field	Value
Serial	2025072901
Primary NS (MNAME)	ns1.simpleagencygroup.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 22:56:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-07-19
Expires	2027-07-31 (283d)

🔗 Same registrant#

6 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
all-ride.dk	Punktum dk A/S (direct)
busdele.dk	Punktum dk A/S (direct)
evz-as.dk	Punktum dk A/S (direct)
evz-online.dk	Punktum dk A/S (direct)
evz-parts.dk	Punktum dk A/S (direct)
rigidlygter.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

132ms

124ms

133ms

AAAA

163ms

TXT

866ms

CAA

399ms

HTTPS

105ms

TLSA

113ms

SOA

221ms

MTA-STS

397ms

DNSSEC

658ms

SRV

2124ms

Total

3235ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 07:30:08	497ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 13:09:30 shown	3235ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 00:52:31	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:23:45	1855ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:49:03	2704ms	2 NS 1 A 1 MX	🔒 Secure