yellowcare.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.84	3600s	vm1409.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	yellowcare-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::e 2a01:111:f403:ca09:: 2a01:111:f403:ca09::7 52.101.68.16 52.101.68.5 52.101.73.123 52.101.73.22	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.8
🔶 Autoconfig	185.21.42.84

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 166ms

TXT Record
google-site-verification=GO2BLVPlotP78hwqG5DyLxp5HleE_QIaHNtaWAC1ddE
MS=ms61699618
v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.yellowcare.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r

📬 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)

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2023102301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

33ms

MX

45ms

AAAA

45ms

TXT

166ms

CAA

41ms

HTTPS

35ms

TLSA

728ms

SOA

0ms

MTA-STS

75ms

DNSSEC

103ms

SRV

59ms

Total

1347ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:12:40	1347ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 02:30:26	1026ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:58:20	781ms	2 NS 1 A 1 MX	🔒 Secure	View