4sc.dk

📜 Historical scan 2026-06-16 13:14:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4sc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.57 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by 4sc-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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#

2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.57	—	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	4sc-dk.mail.protection.outlook.com	52.101.68.0 52.101.68.39 52.101.73.153 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:80ce:7d38:1678:3c4e	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 201ms

TXT Record
MS=ms18366375
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (4sc.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-11 03:30:22

www	46.30.215.57 2a02:2350:5:10e:80ce:7d38:1678:3c4e (AS51468) (address records, no CNAME)
www vs bare domain	Same network 4sc.dk: 46.30.215.57 2a02:2350:5:10e:80ce:7d38:1678:3c4e (AS51468) www.4sc.dk: 46.30.215.57 2a02:2350:5:10e:80ce:7d38:1678:3c4e (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

149ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2026052101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

53ms

46ms

AAAA

51ms

TXT

201ms

CAA

50ms

HTTPS

45ms

TLSA

113ms

SOA

58ms

MTA-STS

80ms

DNSSEC

149ms

SRV

0ms

Total

697ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 09:40:33	681ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:23:41	1044ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 02:28:11	1567ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 02:50:32	16720ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 00:41:12	5237ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 19:06:33	1948ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-22 10:00:51	3824ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 04:38:25	728ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 00:40:34	1264ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 16:18:41	743ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-16 13:14:38 shown	697ms	2 NS 1 A 1 MX	🔒 Secure