bysimson.dk DNS records

🖥️ Nameservers2 records 41ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records4 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 173ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (bysimson.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.bysimson.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 113ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC97ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082301
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

41ms

A

40ms

MX

54ms

AAAA

55ms

TXT

173ms

CAA

37ms

HTTPS

33ms

TLSA

113ms

SOA

0ms

MTA-STS

66ms

DNSSEC

97ms

SRV

77ms

Total

771ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:28:44	771ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-26 23:37:50	697ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-24 17:49:20	616ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-21 15:58:08	890ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-16 23:17:17	976ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-15 14:57:02	4726ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-10 16:12:21	3988ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-27 13:27:55	4474ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 12:42:25	562ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 12:18:47	2639ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 12:05:15	603ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 11:30:55	686ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 03:00:34	651ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 15:13:53	569ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 10:17:35	755ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 09:40:03	915ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 16:53:51	9682ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-12 08:34:34	2352ms	1 NS 0 A 0 MX	❓ Unknown	View