`office.education`

DNSSEC	⚠️ Not signed
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`mx.sendgrid.net` ⭐
		A	3.17.120.38^{🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix}
			PTR	`ec2-3-17-120-38.us-east-2.compute.amazonaws.com`
		A	3.136.245.72^{🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix}
			PTR	`ec2-3-136-245-72.us-east-2.compute.amazonaws.com`
		A	13.216.54.185^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-216-54-185.compute-1.amazonaws.com`
		A	15.222.160.229^{🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix}
			PTR	`ec2-15-222-160-229.ca-central-1.compute.amazonaws.com`
		A	16.52.61.209^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-61-209.ca-central-1.compute.amazonaws.com`
		A	16.52.110.174^{🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix}
			PTR	`ec2-16-52-110-174.ca-central-1.compute.amazonaws.com`
		A	18.224.101.244^{🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-224-101-244.us-east-2.compute.amazonaws.com`
		A	34.198.67.24^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-198-67-24.compute-1.amazonaws.com`
		A	44.216.124.122^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-216-124-122.compute-1.amazonaws.com`
		A	44.245.249.202^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-245-249-202.us-west-2.compute.amazonaws.com`
		A	52.25.213.239^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-213-239.us-west-2.compute.amazonaws.com`
		A	52.37.49.26^{🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-37-49-26.us-west-2.compute.amazonaws.com`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1776453214

`education`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.education` ⭐
	NS	`v0n1.nic.education`
	NS	`v0n2.nic.education`
	NS	`v0n3.nic.education`
	NS	`v2n0.nic.education`
	NS	`v2n1.nic.education`
	SOA	`v0n0.nic.education`hostmaster@donuts.email serial=1776919817

⚠️ On DNS blocklist: light, multi, pro, pro.plus, tif, ultimate

Same first word

office.to

office.ceo

office.live

office.cooking

office.com.ng

office.hr

office.lc

office.pm

office.eu

office.plus

office.kr

office.education

office.com.co

office.ir

office.gifts

office.biz

office.email

office.style

office.by

office.ac

office.hu

office.fo

office.berlin

office.monster

office.be

office.lt

office.immo

office.uz

office.bio

office.city

office.ua

office.co.rs

office.supply

office.ge

office.in.ua

office.aero

office.store

office.cr

office.am

office.legal

office.or.kr

office.se

office.bm

office.com.de

office.support

office.tel

office.cn

office.box

office.co.nz

office.us

office.app

office.one

office.cz

office.nl

office.no

office.fr

office.security

office.business

office.is

office.com.kz

office.net.nz

office.co.jp

office.sk

office

office.im

office.youtube

office.ie

office.net.cn

office.com.pk

office.co

office.rs

office.sg

office.coffee

office.co.cr

office.kh.ua

office.mints.ne.jp

office.az

office.download

office.guru

office.bg

office.social

office.ruhr

office.ai

office.ne.jp

office.123hjemmeside.dk

office.world

office.pt

office.at

office.co.uk

office.eco

office.sakura.ne.jp

office.hamburg

office.it

office.lviv.ua

office.supplies

office.net

office.bz

office.ltd

office.mobi

office.de

office.or.at

office.ly

office.pl

office.microsoft

office.furniture

office.do

office.uk

office.tv

office.cricket

office.lv

office.cc

office.dev

office.org

office.com.au

office.mx

office.dk

office.ms

office.hi.cn

office.accountants

office.rentals

office.vg

office.com

office.co.at

office.elementor.cloud

office.al

office.i234.me

office.cloud

office.es

office.blue

Similar names

offiec.cn

coffie.hatenablog.com

ieffco.com

effico.fr

coffei.com

iceoff.ru

effico.es

coeffi.com

ofifce.com

coffie.net

eciffo.jp

effico.com

eciffo.ie

coffie.de

fifeco.com

coffie.com

coiffe.be

coiffe.com

DNS History

5 records (3 active, 2 former)

●NSdns1.registrar-servers.com2026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 22:08:00
● 2026-04-23 05:08:08

●NSdns2.registrar-servers.com2026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 22:08:00
● 2026-04-23 05:08:08

●MXmx.sendgrid.net2026-04-17 → 2026-04-23 · 2 obs

● 2026-04-17 22:08:00
● 2026-04-23 05:08:08

○A64.4.6.2332016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:06:40
○ 2026-04-17 22:08:00
○ 2026-04-23 05:08:08

○A65.55.39.122016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:06:40
○ 2026-04-17 22:08:00
○ 2026-04-23 05:08:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
education	v0n0.nic.education, v0n1.nic.education, v0n2.nic.education, v0n3.nic.education...	12 records
office.education	dns2.registrar-servers.com, dns1.registrar-servers.com	-

✅ Authoritative Response

Server:156.154.133.200

NS records: dns2.registrar-servers.com, dns1.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for office.education (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	1	`mx.sendgrid.net (pri: 10)`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.education, v0n1.nic.education, v0n2.nic.education...)

Analysis

Name Servers

office.education is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

office.education uses the same name server setup as other domains such as fullybeing.com, 24erotik.com, (0x706f726e)ways.com, calumallison.com and fakeemailsender.com.

office.education shares name servers with other domains at least partially, for example elricinu.com, adenabebe.com, socratesplanet.net, justicefamily.org and copperheadcreekdistillery.com.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

Mail Servers

office.education is handled by a single mail server, mx.sendgrid.net.

office.education shares the same mail server setup as other domains, for instance u17440436.wl187.sendgrid.net, email.ngam.natixis.com, 7spices-diecurrywelt.de, bennystakeaway.com and nc.grandview.systems.

office.education shares mail servers with other domains at least partially; for instance rentlord.com, urmove.com, i-de.com, staginghogarthww.com and kubrix.no.

these mail servers are often used together with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

The host name mx.sendgrid.net maps to twelve IP numbers: 3.17.120.38, 3.136.245.72, 13.216.54.185, 15.222.160.229, 16.52.61.209, 16.52.110.174, 18.224.101.244, 34.198.67.24, 44.216.124.122, 44.245.249.202, 52.25.213.239 and 52.37.49.26.

office.education - robtex.com