`mail.dolbear.tech`

DNSSEC	⚠️ Not signed
A	85.187.133.86^{🇸🇬 A2HOSTING85.187.128.0/21}
		PTR	`85.187.133.86.static.a2webhosting.com`

`dolbear.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1536^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:c47d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.54^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.125^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lia.ns.cloudflare.com` ⭐
NS	`vasilii.ns.cloudflare.com`
MX	`mail.dolbear.tech` ⭐
TXT	`v=spf1 +ip4:85.187.128.34 +include:spf.a2hosting.com +include:zcsend.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.21.54, 172.67.196.125
		IPv6	2606:4700:3030::6815:1536, 2606:4700:3030::ac43:c47d
SOA	`lia.ns.cloudflare.com`dns@cloudflare.com serial=2398336215

MX for

dolbear.tech

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DNS History

1 record (1 active, 0 former)

●A85.187.133.862026-03-23 → 2026-03-23 · 2 obs

● 2026-03-23 02:46:26
● 2026-03-23 04:39:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net	-
dolbear.tech	vasilii.ns.cloudflare.com, lia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.185

NS records: vasilii.ns.cloudflare.com, lia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dolbear.tech (unsigned zone)

⏱️ Timing

Total: 367ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.187.133.86`

Analysis

Mail Server Role

mail.dolbear.tech is the mail server for dolbear.tech.

IP Addresses

mail.dolbear.tech points to a single IP number: 85.187.133.86.

Other host names, for instance contrivance-bd.com, share IP numbers with mail.dolbear.tech.

mail.dolbear.tech - robtex.com