`mail.kalibrado.com`

DNSSEC	⚠️ Not signed
A	192.252.151.104^{🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA}
		PTR	`s1216.sureserver.com`

`kalibrado.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d3d9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4323^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.35^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.217^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alec.ns.cloudflare.com` ⭐
NS	`kate.ns.cloudflare.com`
MX	`mail.kalibrado.com` ⭐
TXT	`v=spf1 a mx ptr include:bluehost.com ?all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.35, 172.67.211.217
		IPv6 hints	2606:4700:3033::ac43:d3d9, 2606:4700:3035::6815:4323
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOA	`alec.ns.cloudflare.com`dns@cloudflare.com serial=2410782590

MX for

kalibrado.com

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DNS History

2 records (1 active, 1 former)

●A192.252.151.1042026-08-13 → 2026-08-13 · 3 obs

○ 2017-01-22 18:32:00
● 2026-08-13 05:30:56
● 2026-08-13 05:30:58

○A74.220.219.1032017-01-22 → 2017-01-22 · 3 obs

● 2017-01-22 18:32:00
○ 2026-08-13 05:30:56
○ 2026-08-13 05:30:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
kalibrado.com	kate.ns.cloudflare.com, alec.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.59

NS records: kate.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kalibrado.com (unsigned zone)

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.252.151.104`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kate.ns.cloudflare.com, kate.ns.cloudflare.com, kate.ns.cloudflare.com...)

Analysis

Mail Server Role

mail.kalibrado.com is a mail server for kalibrado.com.

IP Addresses

mail.kalibrado.com directs to one IP number, which is 192.252.151.104.

mail.kalibrado.com shares its IP numbers with other host names like s1216.sureserver.com, mail.s1216.sureserver.com and toolshaven.com.

mail.kalibrado.com - robtex.com