mail.optimiser.com - dns.ninja

`mail.optimiser.com`

DNSSEC	⚠️ Not signed
A	193.221.135.50^{🇬🇧 VORBOSS193.221.128.0/19}
		PTR	`cp.boit.uk`

`optimiser.com`

	DNSSEC	🔒 Signed (DS record present)
	A	3.10.222.122^{🇬🇧 Amazon3.8.0.0/14 EC2 LHR prefix}
	NS	`ns-cloud-b1.googledomains.com` ⭐
	NS	`ns-cloud-b2.googledomains.com`
	NS	`ns-cloud-b3.googledomains.com`
	NS	`ns-cloud-b4.googledomains.com`
	MX	`optimiser-com.mail.protection.outlook.com` ⭐
	MX	`cp.boit.uk`⁽³⁰⁾
	TXT	`v=spf1 ip4:193.221.135.50 include:spf.protection.outlook.com include:cp.boit....`
	TXT	`google-site-verification=IC287bNRaAtcYfHo7LQyzhzTNxnSxSMpA3edzqK7T-E`
	TXT	`google-site-verification=4uAj617Zr7fvL2HkbbLIFrdx1E9qgjSN5Wh8wKqbB2M`
	TXT	`google-site-verification=TjmVyTopU1y3QcShZHcv898rDFMw61R2mFzpIelDD5o`
	TXT	`ZOOM_verify_3a87d84facaf4434b0905c433c9057c1`
	SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=74

Same first word

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DNS History

25 records (1 active, 24 former)

○A173.194.67.1212015-11-06 → 2015-11-06 · 4 obs

○ 2015-06-20 00:54:54
● 2015-11-06 23:01:40
○ 2016-01-31 20:58:00
○ 2026-07-12 06:17:06

●A193.221.135.502026-03-31 → 2026-07-12 · 3 obs

○ 2016-04-27 17:17:38
● 2026-03-31 22:05:44
● 2026-07-12 06:17:06

○A2404:6800:4003:c02::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2404:6800:4008:c04::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2404:6800:4008:c06::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2607:f8b0:400d:c06::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2607:f8b0:400e:c02::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2607:f8b0:400e:c04::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2800:3f0:4003:c00::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2a00:1450:400b:c02::792015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2a00:1450:400c:c05::792015-11-06 → 2015-11-06 · 4 obs

○ 2015-06-20 00:54:54
● 2015-11-06 23:01:40
○ 2016-01-31 20:58:00
○ 2026-07-12 06:17:06

○A2a00:1450:400c:c08::792016-04-27 → 2016-04-27 · 4 obs

○ 2016-01-31 20:58:00
● 2016-04-27 17:17:38
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A2a00:1450:400c:c0b::792016-01-31 → 2016-01-31 · 4 obs

○ 2015-11-06 23:01:40
● 2016-01-31 20:58:00
○ 2016-04-27 17:17:38
○ 2026-07-12 06:17:06

○A64.233.184.1212016-01-31 → 2016-01-31 · 4 obs

○ 2015-11-06 23:01:40
● 2016-01-31 20:58:00
○ 2016-04-27 17:17:38
○ 2026-07-12 06:17:06

○A64.233.186.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A64.233.188.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.129.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.140.1212016-04-27 → 2016-04-27 · 4 obs

○ 2016-01-31 20:58:00
● 2016-04-27 17:17:38
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.204.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.22.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.24.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.28.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○A74.125.68.1212015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 00:54:54
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○CNAMEghs.google.com2015-06-20 → 2016-04-27 · 4 obs

● 2015-06-20 00:54:54
● 2016-04-27 17:17:38
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

○CNAMEghs.l.google.com2015-11-06 → 2016-04-27 · 5 obs

○ 2015-06-20 00:54:54
● 2015-11-06 23:01:40
● 2016-04-27 17:17:38
○ 2026-03-31 22:05:44
○ 2026-07-12 06:17:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
optimiser.com	ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.221.135.50`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

IP Addresses

mail.optimiser.com has exactly one IP address — 193.221.135.50.

Additional host names — including cp.boit.uk and cp9.boit.uk — share IP numbers with mail.optimiser.com.