firstdownrange.dk DNS records

🖥️ Nameservers2 records 67ms

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 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.188	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:80e3:4b76:2128:ed7	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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 / DANE4 records 16036ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC191ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-25 04:05:13

Field	Value
Registrar	ONE.COM A/S
Registered	2026-01-31
Expires	2027-01-30 (149d)

📋 WHOIS

⏱️ Lookup Timing

NS

67ms

A

74ms

MX

75ms

AAAA

66ms

TXT

171ms

CAA

69ms

HTTPS

73ms

TLSA

16036ms

SOA

0ms

MTA-STS

129ms

DNSSEC

191ms

SRV

97ms

Total

16796ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:36:14	990ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-25 14:51:08	2568ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-20 13:28:38	4888ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 01:21:27	1065ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-31 12:08:48	888ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-25 04:03:45	16796ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-06 08:51:14	934ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 06:24:00	759ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 10:08:14	766ms	2 NS 1 A 4 MX	🔒 Secure	View