coresys.dk

Records from scan: 2026-10-15 02:48:46 · 925ms total · last checked 2026-10-17 04:40 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coresys.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. Mail is handled by coresys-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
127.0.0.1	43200s	localhost	—	—	—	—	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	coresys-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca48::12 52.101.103.140 52.101.73.145 52.101.91.159 52.101.91.162	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00207.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 144ms

TXT Record
google-site-verification=6QPmyceFOYx0mrPEC2wGcRR6bfewXaLcgpQScJbnlDA
ms=ms53274359
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (coresys.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#

checked 2026-10-15 02:48:46

www	46.30.211.38 (AS51468) (address records, no CNAME)
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#

50ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026101401
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#

28ms

33ms

30ms

AAAA

28ms

TXT

144ms

CAA

30ms

HTTPS

46ms

TLSA

488ms

SOA

41ms

MTA-STS

52ms

DNSSEC

50ms

SRV

66ms

Total

925ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 02:48:46 shown	925ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:59:25	1947ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 00:41:54	810ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 21:50:10	896ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 15:26:20	1832ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 04:51:23	7577ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 00:34:46	3324ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 14:44:06	9029ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:35:27	2905ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:25:18	773ms	2 NS 1 A 1 MX	🔒 Secure