rosco.dk

📜 Historical scan 2026-10-18 11:58:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rosco.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 October 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by rosco-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 101ms

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 158ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 106ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rosco-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca21::a 2a01:111:f403:ca3c::8 52.101.103.39 52.101.68.29 52.101.91.153 52.101.91.21	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr05cu00105.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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 367ms

TXT Record
MS=ms37656036
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rosco.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 2026-10-20 16:08:37

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rosco.dk: 195.47.247.18 (AS51468) www.rosco.dk: 195.47.247.18 (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#

264ms

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

🏷️ SOA#

75ms

Field	Value
Serial	2026101802
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 2026-10-18 12:38:10

Field	Value
Registrar	ONE.COM A/S
Registered	1996-10-21
Expires	2026-12-31 (67d)

🔗 Same registrant#

3 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
flexitabs.dk	ONE.COM A/S
rosco-flexitab.dk	ONE.COM A/S
rosco-flexitabs.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

101ms

158ms

106ms

AAAA

107ms

TXT

367ms

CAA

106ms

HTTPS

155ms

TLSA

1047ms

SOA

75ms

MTA-STS

217ms

DNSSEC

264ms

SRV

264ms

Total

2450ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 16:08:37	1279ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 12:32:36	904ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 11:58:14 shown	2450ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 10:20:44	1653ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 19:10:59	754ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:15:01	990ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 17:50:55	1631ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 21:13:36	2771ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 21:24:57	1318ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 02:10:09	8345ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 15:51:34	4205ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 21:57:44	971ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 03:11:46	1173ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:46:26	1085ms	2 NS 1 A 1 MX	🔒 Secure