theca.dk DNS records

🖥️ Nameservers4 records 34ms

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

🌍 A Records1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.220	3600s	vm1084.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	theca-dk.mail.protection.outlook.com	2a01:111:f403:ca04::f 2a01:111:f403:ca09::24 2a01:111:f403:ca09::6 2a01:111:f403:ca48::a 52.101.68.0 52.101.68.16 52.101.68.25 52.101.68.5	mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 74ms

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

📝 TXT Records2 records 186ms

TXT Record
MS=ms67593927
v=spf1 ip4:84.15.96.34 ip4:5.103.31.68 ip4:82.135.132.55 ip4:82.135.132.56 ip4:82.135.132.57 ip4:82.135.132.58 ip4:82.135.132.59 ip4:82.135.132.60 ip4:88.119.254.42 ip4:89.47.161.82 ip4:88.119.154.41 ip4:185.21.42.220 ip4:82.135.132.61 ip4:79.98.28.46 ip4:168.245.49.28 include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (theca.dk)
~all (soft fail)	v=spf1 ip4:84.15.96.34 ip4:5.103.31.68 ip4:82.135.132.55 ip4:82.135.132.56 ip4:82.135.132.57 ip4:82.135.132.58 ip4:82.135.132.59 ip4:82.135.132.60 ip4:88.119.254.42 ip4:89.47.161.82 ip4:88.119.154.41 ip4:185.21.42.220 ip4:82.135.132.61 ip4:79.98.28.46 ip4:168.245.49.28 include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.theca.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:ruvqxyli@ag.eu.dmarcian.com, mailto:it@theca.dk; ruf=mailto:it@theca.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

🔗 TLSA / DANE

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

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2024103020
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 RegistrationWHOIS fetched 2026-07-03 13:59:59

Field	Value
Registrar	Eurodns S.A
Registered	2006-01-14
Expires	2027-01-31 (144d)

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

37ms

MX

46ms

AAAA

35ms

TXT

186ms

CAA

34ms

HTTPS

32ms

TLSA

849ms

SOA

0ms

MTA-STS

68ms

DNSSEC

102ms

SRV

74ms

Total

1410ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 00:16:26	1410ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 13:10:14	1961ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 12:44:41	9687ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 12:06:59	1544ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 06:19:54	9429ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 00:16:29	10363ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:55:11	1585ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 09:01:20	1115ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 14:00:23	1300ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:45:06	924ms	4 NS 1 A 1 MX	🔒 Secure	View