osfem.dk

📜 Historical scan 2026-08-02 22:17:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osfem.dk is a .dk domain served by 2 nameservers (kay.ns.cloudflare.com, wesley.ns.cloudflare.com). It was registered on 30 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.forwardemail.net, mx2.forwardemail.net. 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#

2 records 175ms

Nameserver	IP addresses	PTR	ASN / ISP
kay.ns.cloudflare.com	108.162.192.125 172.64.32.125 173.245.58.125 2606:4700:50::adf5:3a7d 2803:f800:50::6ca2:c07d 2a06:98c1:50::ac40:207d	kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wesley.ns.cloudflare.com	108.162.193.246 172.64.33.246 173.245.59.246 2606:4700:58::adf5:3bf6 2803:f800:50::6ca2:c1f6 2a06:98c1:50::ac40:21f6	wesley.ns.cloudflare.com wesley.ns.cloudflare.com wesley.ns.cloudflare.com wesley.ns.cloudflare.com wesley.ns.cloudflare.com wesley.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 182ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.forwardemail.net	121.127.44.56 138.197.213.185 2604:a880:2:d0::306:1 2a02:6ea0:d71e::2	mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net mx1.forwardemail.net	AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC AS60068 Datacamp Limited
10	3600s	mx2.forwardemail.net	104.248.224.170 121.127.44.59 2604:a880:400:d1::cd:9001 2a02:6ea0:d71e::1	mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net mx2.forwardemail.net	AS14061 DigitalOcean, LLC AS60068 Datacamp Limited AS14061 DigitalOcean, LLC AS60068 Datacamp Limited

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 384ms

TXT Record
forward-email=hello:niels@gatzwiller.dk

✉️ 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 04:19:10

www	Exists, no address
www vs bare domain	Neither resolves osfem.dk: no address www.osfem.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

4 records 118ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx1.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	5E81DA1AF16DF20B13E667AD6D9C2B65…
SMTP _25._tcp.mx2.forwardemail.net	DANE-EE · SPKI · SHA-256	321F694EAD3A2E733D857FD7E79D811F…

🔐 DNSSEC#

267ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2411110689
Primary NS (MNAME)	kay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 12:51:49

Field	Value
Registrar	Simply.com A/S
Registered	2009-09-30
Expires	2027-09-30 (339d)

🔗 Same registrant#

4 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
gatzwiller.dk	Simply.com A/S
hak.dk	Simply.com A/S
jebelli.dk	Simply.com A/S
osto.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

175ms

196ms

182ms

AAAA

176ms

TXT

384ms

CAA

171ms

HTTPS

186ms

TLSA

118ms

SOA

0ms

MTA-STS

209ms

DNSSEC

267ms

SRV

225ms

Total

2929ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 04:19:10	1782ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-30 05:21:37	1524ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-21 14:57:19	775ms	2 NS 0 A 2 MX	🔓 Insecure
2026-09-19 06:43:12	1256ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-28 10:44:26	607ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-26 10:31:28	764ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-04 02:46:33	17241ms	2 NS 0 A 2 MX	🔓 Insecure
2026-08-02 22:17:31 shown	2929ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-18 02:33:03	1553ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-11 10:59:57	10530ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-21 08:42:50	905ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-20 20:56:25	1169ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 18:03:37	1427ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-17 12:10:19	1567ms	2 NS 0 A 2 MX	🔓 Insecure