3blaa.dk DNS records

🖥️ Nameservers2 records 112ms

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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.229.236.30	3600s	hosting.merkurnord.dk	AS215686	Edelskjold Holding ApS	91.229.236.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 99ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	3blaa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.18 52.101.68.21 52.101.73.6	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am6pr04cu00306.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

📝 TXT Records3 records 326ms

TXT Record
anthropic-domain-verification-yvpjwc=agDRIEzPp36wKymnCsRgLTwDF
bw=lzjCK2fXxUZOE54c94JUaaCqcQO4tT0mOwaDIGqGhgOO
v=spf1 ip4:91.229.236.30 include:spf.protection.outlook.com include:spf.mtasv.net ip4:116.203.167.208 -all

✉️ SPF

Policy	Record (3blaa.dk)
-all (hard fail)	v=spf1 ip4:91.229.236.30 include:spf.protection.outlook.com include:spf.mtasv.net ip4:116.203.167.208 -all

📨 DMARC

Policy	Record (_dmarc.3blaa.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:kw4mtjma@ag.eu.dmarcian.com;

📬 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)

🔐 DNSSEC259ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

112ms

A

113ms

MX

99ms

AAAA

122ms

TXT

326ms

CAA

126ms

HTTPS

140ms

TLSA

819ms

SOA

0ms

MTA-STS

147ms

DNSSEC

259ms

SRV

154ms

Total

2310ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 07:10:31	2310ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 03:27:37	788ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 16:25:04	2228ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 11:11:56	1068ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:57:07	2443ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:53:48	1181ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:21:05	1509ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:00:07	2212ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:50:05	1836ms	2 NS 1 A 1 MX	🔒 Secure	View