sc1.dk

📜 Historical scan 2026-10-07 01:02:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sc1.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.162 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by sc1-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 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.162	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 104ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sc1-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca48::a 52.101.103.137 52.101.181.153 52.101.68.27 52.101.73.126	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136

🔷 AAAA Records (IPv6)#

1 records 107ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8015:a1d3:a65d:1f88	3600s	—	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

🔌 SRV Records#

1 records 235ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 313ms

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

✉️ SPF#

Policy	Record (sc1.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 2026-10-19 01:15:04

www	46.30.215.162 2a02:2350:5:106:8015:a1d3:a65d:1f88 (AS51468) (address records, no CNAME)
www vs bare domain	Same network sc1.dk: 46.30.215.162 2a02:2350:5:106:8015:a1d3:a65d:1f88 (AS51468) www.sc1.dk: 46.30.215.162 2a02:2350:5:106:8015:a1d3:a65d:1f88 (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#

270ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2026100601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 23:22:37

Field	Value
Registrar	ONE.COM A/S
Registered	2019-09-15
Expires	2027-09-30 (345d)

🔗 Same registrant#

5 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
cfirst.dk	ONE.COM A/S
recomply.dk	ONE.COM A/S
scfirst.dk	ONE.COM A/S
tenantandhost.dk	ONE.COM A/S
tenantnhost.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

67ms

93ms

104ms

AAAA

107ms

TXT

313ms

CAA

118ms

HTTPS

128ms

TLSA

903ms

SOA

61ms

MTA-STS

159ms

DNSSEC

270ms

SRV

235ms

Total

1961ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 01:15:04	1509ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 22:59:29	1391ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 01:02:12 shown	1961ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 00:26:50	2939ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-19 17:55:34	1425ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 12:04:54	863ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 14:06:05	804ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-18 23:30:10	6249ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-13 10:34:29	3570ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 09:37:12	1155ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 18:39:40	731ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:26:58	1727ms	2 NS 1 A 1 MX	🔓 Insecure