corecompany.dk DNS records

🖥️ Nameservers4 records 245ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107	ns1.eurodns.com	AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108	ns4.eurodns.com	AS23393 NuCDN LLC

🌍 A Records1 records 209ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.158.33	600s	linux202.dandomain.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 265ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	corecompany-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca09::7 52.101.68.36 52.101.68.39 52.101.73.1 52.101.73.8	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.24
🔶 Autoconfig	93.191.158.33

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 244ms

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

📝 TXT Records2 records 574ms

TXT Record
v=DKIM1; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDfEAt/xOMXnoyBIWy0SlnLMHMb0UY4hgiWhEaVwbgH1Xbc3SmIRp8oMvD5QUjAxw2RIBO6OT0kg2yOi7hUTg4aw3LjqDvRR7ai5TvCl5uS4zAetHfW55KVfaFxKVFRszWklLYncO+tx1U0gIFQ3FElOP6YXEOO1H6IVUaZLMtxrQIDAQAB
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (corecompany.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.corecompany.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records2 records 247ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC255ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA226ms

Field	Value
Serial	2026061800
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

245ms

A

209ms

MX

265ms

AAAA

221ms

TXT

574ms

CAA

247ms

HTTPS

195ms

TLSA

187ms

SOA

226ms

MTA-STS

254ms

DNSSEC

255ms

SRV

244ms

Total

1720ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-27 11:15:27	1720ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 21:12:10	2441ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 07:39:09	1713ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 22:26:15	735ms	4 NS 1 A 1 MX	🔓 Insecure	View