byfiin.dk DNS records

🖥️ Nameservers2 records 253ms

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 249ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.87	3600s	vm1447.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 240ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	byfiin-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 52.101.68.3 52.101.68.8 52.101.73.19 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 385ms

TXT Record
MS=ms63157885
v=spf1 a mx include:spf.curanet.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com ~all

✉️ SPF

Policy	Record (byfiin.dk)
~all (soft fail)	v=spf1 a mx include:spf.curanet.dk include:spf.protection.outlook.com include:web.shared.mysmtp.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)

🔐 DNSSEC500ms

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

🏷️ SOA245ms

Field	Value
Serial	2025080401
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

253ms

A

249ms

MX

240ms

AAAA

165ms

TXT

385ms

CAA

267ms

HTTPS

256ms

TLSA

467ms

SOA

245ms

MTA-STS

188ms

DNSSEC

500ms

SRV

454ms

Total

1947ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 01:12:30	1947ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 18:16:20	829ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 13:17:10	855ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 17:49:08	1574ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:10:11	779ms	2 NS 1 A 1 MX	🔒 Secure	View