coreline.dk

📜 Historical scan 2026-07-16 18:06:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coreline.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 8.209.103.215 is hosted by Alibaba (US) Technology Co., Ltd. (AS45102) in Germany. Mail is handled by coreline-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 75ms

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 79ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
8.209.103.215	43200s	—	AS45102	Alibaba (US) Technology Co., Ltd.	8.209.96.0/20	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coreline-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 52.101.68.18 52.101.68.36 52.101.73.11 52.101.73.15	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 52.98.149.152
🔶 Autoconfig	8.209.103.215

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 131ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 241ms

TXT Record
google-site-verification=wcXTNNqBqT4dlJYQAeCt-VMNxMCTyy2oFEtbJ8Brna4
MS=ms10704137
v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:mailmailmail.net -all

✉️ SPF#

Policy	Record (coreline.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:mailmailmail.net -all

📨 DMARC#

Policy	Record (_dmarc.coreline.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@coreline.dk;

📬 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 2026-10-10 19:04:53

www	8.209.103.215 (AS45102) (address records, no CNAME)
www vs bare domain	Same network coreline.dk: 8.209.103.215 (AS45102) www.coreline.dk: 8.209.103.215 (AS45102)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-coreline-dk._domainkey.fritsche.onmicrosoft.com	RSA · ~1024 bit below 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

221ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026071401
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#

75ms

79ms

90ms

AAAA

71ms

TXT

241ms

CAA

79ms

HTTPS

83ms

TLSA

205ms

SOA

0ms

MTA-STS

87ms

DNSSEC

221ms

SRV

131ms

Total

1279ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 19:04:53	1521ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:56:49	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 10:02:09	1108ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-10 08:59:30	1771ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 19:59:34	1386ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 18:06:48 shown	1279ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 23:55:49	3289ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:00:28	1459ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 22:25:36	780ms	2 NS 1 A 1 MX	🔒 Secure