12357.dk

📜 Historical scan 2026-06-16 12:47:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

12357.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.107 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by 12357.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	—	—	—
ns6.chosting.dk	—	—	—
ns7.chosting.dk	—	—	—

🌍 A Records#

1 records 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.107	—	server15.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	12357.dk	178.20.216.107	server15.chosting.dk	AS21060 Atea A/S

🔷 AAAA Records (IPv6)#

1 records 92ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:f	—	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 185ms

TXT Record
v=spf1 ip4:178.20.216.107 include:spf.chosting.dk ip4:178.20.216.236 +a +mx ~all

✉️ SPF#

Policy	Record (12357.dk)
~all (soft fail)	v=spf1 ip4:178.20.216.107 include:spf.chosting.dk ip4:178.20.216.236 +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.12357.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-14 14:55:54

www CNAME	12357.dk (all on 12357.dk) → 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060)
www vs bare domain	Same network 12357.dk: 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060) www.12357.dk: 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

192ms

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

🏷️ SOA#

86ms

Field	Value
Serial	2026052600
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

72ms

77ms

90ms

AAAA

92ms

TXT

185ms

CAA

83ms

HTTPS

102ms

TLSA

66ms

SOA

86ms

MTA-STS

94ms

DNSSEC

192ms

SRV

0ms

Total

574ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 02:46:28	801ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 13:10:35	674ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 00:51:23	712ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-16 20:29:07	4490ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-20 21:07:03	1397ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:47:44 shown	574ms	3 NS 1 A 1 MX	🔓 Insecure