`mail.k2-instruments.com`

DNSSEC	⚠️ Not signed
A	216.57.76.251^{🇺🇸 CALNET-AS11191216.57.76.0/24}
		PTR	`host-216-57-76-251-cal.net`

`k2-instruments.com`

	DNSSEC	⚠️ Not signed
	A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
	NS	`ns-cloud-c1.googledomains.com` ⭐
	NS	`ns-cloud-c2.googledomains.com`
	NS	`ns-cloud-c3.googledomains.com`
	NS	`ns-cloud-c4.googledomains.com`
	MX	`mail.k2-instruments.com` ⭐
	TXT	`v=spf1 a ptr mx:mail.k2-instruments.com ptr:5roses.com a:smtp.5roses.com a:21...`
	SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

MX for

k2-instruments.com

Same first word

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mail.ap.gov.br

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DNS History

2 records (1 active, 1 former)

○A12.24.39.742015-08-14 → 2016-05-01 · 4 obs

● 2015-08-14 18:11:36
● 2016-05-01 04:08:08
○ 2026-04-12 15:13:56
○ 2026-04-13 02:17:46

●A216.57.76.2512026-04-12 → 2026-04-13 · 3 obs

○ 2016-05-01 04:08:08
● 2026-04-12 15:13:56
● 2026-04-13 02:17:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
k2-instruments.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.38.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k2-instruments.com (unsigned zone)

⏱️ Timing

Total: 261ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.57.76.251`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

Mail Server Role

mail.k2-instruments.com serves as the mail server for k2-instruments.com.

IP Addresses

mail.k2-instruments.com points to a single IP: 216.57.76.251.

Other host names, such as ns1.5roses.com, share IP numbers with mail.k2-instruments.com.

mail.k2-instruments.com - robtex.com