perfi.dk DNS records

🖥️ Nameservers2 records 25ms

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 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	10800s	perfi-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 52.101.209.153 52.101.68.25 52.101.68.5 52.101.73.1	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 126ms

TXT Record
MS=ms10956402
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (perfi.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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090306
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

25ms

A

24ms

MX

24ms

AAAA

24ms

TXT

126ms

CAA

34ms

HTTPS

27ms

TLSA

1467ms

SOA

0ms

MTA-STS

40ms

DNSSEC

96ms

SRV

69ms

Total

1959ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 17:03:51	1959ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-09-01 23:18:06	2901ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 22:19:04	8315ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 19:50:47	6079ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 19:50:24	2513ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 19:26:08	1195ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 02:47:50	1407ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 10:45:07	2329ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 22:41:34	1336ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:05:39	4040ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:40:39	1505ms	2 NS 1 A 1 MX	🔒 Secure	View