87h.dk DNS records

🖥️ Nameservers2 records 290ms

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 135ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.16	3600s	splash.curanet.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 176ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	87h-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 52.101.68.16 52.101.68.18 52.101.68.39 52.101.68.5	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.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
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 580ms

TXT Record
MS=ms36475548
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (87h.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC488ms

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

🏷️ SOA326ms

Field	Value
Serial	2023061501
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

290ms

A

135ms

MX

176ms

AAAA

146ms

TXT

580ms

CAA

308ms

HTTPS

307ms

TLSA

995ms

SOA

326ms

MTA-STS

349ms

DNSSEC

488ms

SRV

433ms

Total

3792ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 20:17:27	3792ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 02:19:17	1175ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 12:51:53	1457ms	2 NS 1 A 1 MX	🔒 Secure	View