sem-safe.dk

📜 Historical scan 2026-06-23 22:31:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sem-safe.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 12 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.35 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is not DNSSEC-signed, 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#

2 records 164ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	ns2.euro909.com spdns3.cscdns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns2.netnames.net ns2.ascio.net	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.35	3600s	linux36.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 370ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (sem-safe.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.sem-safe.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.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 2026-10-09 05:02:03

www	185.21.42.35 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sem-safe.dk: 185.21.42.35 (AS48854) www.sem-safe.dk: 185.21.42.35 (AS48854)
Wildcard	No

🔎 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#

181ms

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

🏷️ SOA#

182ms

Field	Value
Serial	2025020603
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	14400s

📋 Registration#

WHOIS fetched 2026-10-08 08:33:31

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2011-01-12
Expires	2027-01-31 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

164ms

56ms

55ms

AAAA

141ms

TXT

370ms

CAA

87ms

HTTPS

180ms

TLSA

71ms

SOA

182ms

MTA-STS

167ms

DNSSEC

181ms

SRV

189ms

Total

721ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 23:52:59	531ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-20 21:49:23	2389ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-02 16:15:15	589ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 15:26:21	632ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-23 22:31:23 shown	721ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-19 13:30:26	589ms	2 NS 1 A 0 MX	⚠️ Bogus
2026-06-18 03:42:23	2402ms	2 NS 1 A 0 MX	🔓 Insecure