ferlem.dk

📜 Historical scan 2026-06-17 09:22:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ferlem.dk is a .dk domain served by 4 nameservers (ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl and 1 more). It was registered on 12 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.144.212.108 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by mail.ferlem.dk. The zone is not DNSSEC-signed, 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 95ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dn-s.nl	—	—	—
ns2.dn-s.nl	—	—	—
ns3.dn-s.nl	—	—	—
ns4.dn-s.nl	—	—	—

🌍 A Records#

1 records 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.144.212.108	—	parking.hostingserver.nl	AS20857	Signet B.V.	136.144.128.0/17	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.ferlem.dk	136.144.212.108	parking.hostingserver.nl	AS20857 Signet B.V.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 351ms

TXT Record
v=spf1 include:_spf.premiumantispam.nl +mx +a include:spf.dmrmail.nl -all

✉️ SPF#

Policy	Record (ferlem.dk)
-all (hard fail)	v=spf1 include:_spf.premiumantispam.nl +mx +a include:spf.dmrmail.nl -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 2026-10-15 06:16:31

www	136.144.212.108 (AS20857) (address records, no CNAME)
www vs bare domain	Same network ferlem.dk: 136.144.212.108 (AS20857) www.ferlem.dk: 136.144.212.108 (AS20857)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

208ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

91ms

Field	Value
Serial	2021010100
Primary NS (MNAME)	ns1.dn-s.nl
Responsible (RNAME)	hostmaster@ferlem.dk
Refresh	600s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-09 12:45:25

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-03-12
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

95ms

87ms

94ms

AAAA

100ms

TXT

351ms

CAA

97ms

HTTPS

99ms

TLSA

223ms

SOA

91ms

MTA-STS

693ms

DNSSEC

208ms

SRV

0ms

Total

1625ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 17:53:58	1065ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 13:37:00	1160ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 16:34:08	2570ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-24 22:54:23	1137ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:58:24	1069ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:22:04 shown	1625ms	4 NS 1 A 1 MX	🔓 Insecure