coflow.dk DNS records

🖥️ Nameservers2 records 82ms

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 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coflow-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::1 2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 52.101.103.137 52.101.103.140 52.101.209.153 52.101.73.11	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.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 Records1 records 260ms

TXT Record
v=spf1 include:spf.protection.outlook.com -include:_custspf.one.com MS=ms99991159 -all

✉️ SPF

Policy	Record (coflow.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -include:_custspf.one.com MS=ms99991159 -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)

🔐 DNSSEC195ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082902
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-29 16:32:41

Field	Value
Registrar	ONE.COM A/S
Registered	2018-07-10
Expires	2027-07-31 (319d)

📋 WHOIS

⏱️ Lookup Timing

NS

82ms

A

76ms

MX

87ms

AAAA

96ms

TXT

260ms

CAA

68ms

HTTPS

105ms

TLSA

711ms

SOA

0ms

MTA-STS

111ms

DNSSEC

195ms

SRV

160ms

Total

1726ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 16:26:26	1726ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 19:44:37	937ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 04:10:28	1427ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 22:07:05	1159ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 16:16:50	1159ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 17:35:42	1165ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 03:04:14	1148ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:48:20	903ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:40:59	682ms	2 NS 1 A 1 MX	🔒 Secure	View