`mrbmath.com`

DNSSEC	⚠️ Not signed
NS	`ns-cloud-a1.googledomains.com` ⭐
		A	2001:4860:4802:32::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a1.googledomains.com`
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`ns-cloud-a2.googledomains.com`
		A	2001:4860:4802:34::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a2.googledomains.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`ns-cloud-a3.googledomains.com`
		A	2001:4860:4802:36::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a3.googledomains.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`ns-cloud-a4.googledomains.com`
		A	2001:4860:4802:38::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a4.googledomains.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
SOA	`ns-cloud-a1.googledomains.com`cloud-dns-hostmaster@google.com serial=4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

mrbmath.com

4 records (4 active, 0 former)

●NSns-cloud-a1.googledomains.com2026-02-24 → 2026-03-18 · 2 obs

● 2026-02-24 02:48:56
● 2026-03-18 20:02:48

●NSns-cloud-a2.googledomains.com2026-02-24 → 2026-03-18 · 2 obs

● 2026-02-24 02:48:56
● 2026-03-18 20:02:48

●NSns-cloud-a3.googledomains.com2026-02-24 → 2026-03-18 · 2 obs

● 2026-02-24 02:48:56
● 2026-03-18 20:02:48

●NSns-cloud-a4.googledomains.com2026-02-24 → 2026-03-18 · 2 obs

● 2026-02-24 02:48:56
● 2026-03-18 20:02:48

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mrbmath.com	ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com	8 records

Server: 216.239.36.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com

⚠️ Insecure (no DNSSEC)

No DS record for mrbmath.com (unsigned zone)

Total: 276ms | Queries: -

Type	Count	Sample Data
NS	4	`ns-cloud-a2.googledomains.com, ns-cloud-a4.googledomains.com...`
SOA	1	`ns-cloud-a1.googledomains.com cloud-dns-`

Total: 8

Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)

mrbmath.com at least partially shares name servers with other domains, for instance masmatch.com, brandufo.com, pc-me.com, russianadventure.com and rfi-png.com.