byzold.dk DNS records

🖥️ Nameservers4 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.32	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records3 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	mx3.zoho.com mx2.zoho.com mx8.zoho.com mx7.zoho.com mx6.zoho.com mx3.zohomail.com mx2.zohomail.com mx.zohomail.com mx.zoho.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
20	3600s	mx2.zoho.com	204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44	mx2.zoho.com mx3.zohomail.com mx6.zoho.com mx7.zoho.com mx8.zoho.com mx3.zoho.com mx.zoho.com mx.zohomail.com mx2.zohomail.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
50	3600s	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	mx.zoho.com mx3.zoho.com mx2.zoho.com mx8.zoho.com mx7.zoho.com mx6.zoho.com mx3.zohomail.com mx2.zohomail.com mx.zohomail.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 Records1 records 166ms

TXT Record
v=spf1 include:zoho.com ~all

✉️ SPF

Policy	Record (byzold.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)

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2022102300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

57ms

MX

37ms

AAAA

52ms

TXT

166ms

CAA

42ms

HTTPS

59ms

TLSA

97ms

SOA

0ms

MTA-STS

53ms

DNSSEC

102ms

SRV

62ms

Total

787ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:47:08	787ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-08-26 15:01:33	809ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 00:14:51	767ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 18:43:55	2647ms	4 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 18:30:38	1190ms	4 NS 1 A 3 MX	🔒 Secure	View