sidfx.dk DNS records

🖥️ Nameservers2 records 58ms

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 Records4 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	600s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	600s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	600s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	600s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records3 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx.zoho.com	204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44	mx7.zoho.com mx6.zoho.com mx3.zohomail.com mx2.zohomail.com mx.zohomail.com mx.zoho.com mx3.zoho.com mx2.zoho.com mx8.zoho.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
20	600s	mx2.zoho.com	136.143.183.44 136.143.183.44 136.143.183.44 136.143.183.44 136.143.183.44 136.143.183.44	mx2.zohomail.com mx3.zohomail.com mx3.zoho.com mx2.zoho.com mx.zohomail.com mx.zoho.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
50	600s	mx3.zoho.com	204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44	mx8.zoho.com mx7.zoho.com mx6.zoho.com mx3.zohomail.com mx2.zohomail.com mx.zohomail.com mx.zoho.com mx3.zoho.com mx2.zoho.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 160ms

TXT Record
v=spf1 include:zoho.com ~all
zoho-verification=zb14730000.zmverify.zoho.com

✉️ SPF

Policy	Record (sidfx.dk)
~all (soft fail)	v=spf1 include:zoho.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)

🔐 DNSSEC183ms

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

58ms

A

60ms

MX

64ms

AAAA

53ms

TXT

160ms

CAA

62ms

HTTPS

65ms

TLSA

835ms

SOA

0ms

MTA-STS

97ms

DNSSEC

183ms

SRV

97ms

Total

2652ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 19:25:46	2652ms	2 NS 4 A 3 MX	🔒 Secure	View
2026-07-18 06:17:37	1169ms	2 NS 4 A 3 MX	🔒 Secure	View
2026-07-17 02:05:53	1080ms	2 NS 4 A 3 MX	🔒 Secure	View
2026-06-21 06:13:59	532ms	2 NS 4 A 3 MX	🔒 Secure	View
2026-06-18 13:58:45	850ms	2 NS 4 A 3 MX	🔒 Secure	View
2026-06-17 17:53:11	1282ms	2 NS 4 A 3 MX	🔒 Secure	View