firstconnect.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	10080s	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	firstconnect-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 52.101.103.143 52.101.68.15 52.101.73.1 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00204.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 59ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 174ms

TXT Record
MS=ms19179177
MS=ms74089969
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (firstconnect.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)

🔐 DNSSEC119ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

46ms

MX

34ms

AAAA

50ms

TXT

174ms

CAA

41ms

HTTPS

39ms

TLSA

734ms

SOA

0ms

MTA-STS

68ms

DNSSEC

119ms

SRV

59ms

Total

1400ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 16:36:26	1400ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 04:06:53	5510ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 12:48:54	7278ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 22:18:05	2000ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 06:40:21	1486ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 08:29:12	1103ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 08:47:14	851ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:37:50	669ms	2 NS 1 A 1 MX	🔒 Secure	View