`2fa.dev`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
			PTR	`ip-149-112-160-1.defastlink.net`
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
			PTR	`ip-149-112-161-1.defastlink.net`
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2026-02-04 #2

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

2fa.co

2fa.codes

2fa.homes

2fa.info

2fa.ru

2fa.club

2fa.run

2fa.live

2fa.world

2fa.group

2fa.services

2fa.wtf

2fa.dev

2fa.onl

2fa.ch

2fa.guru

2fa.online

2fa.host

2fa.farm

2fa.fun

2fa.cc

2fa.one

2fa.day

2fa.it

2fa.com.br

2fa.cn

2fa.cable-modem.org

2fa.to

2fa.email

2fa.directory

2fa.co.in

2fa.eu

2fa.hk

2fa.in

2fa.vn

2fa.show

2fa.org

2fa.com

2fa.jetzt

2fa.ca

2fa.tv

2fa.me

2fa.co.il

Similar names

f2a.biz

f2a.de

a2f.ru

af2.ch

f2a.us

fa2.ru

a2f.in

a2f.com.au

f2a.com

2af.de

af2.eu

fa2.de

af2.cc

fa2.com

af2.it

a2f.me

a2f.eu

a2f.org

fa2.cc

2af.com

a2f.com.br

fa2.cn

a2f.com.cn

fa2.ch

af2.es

a2f.com

fa2.fr

fa2.com.cn

f2a.eu

a2f.biz

2af.ru

f2a.org

a2f.ca

a2f.fr

af2.net

f2a.me

2af.cn

a2f.co

a2f.info

af2.ru

2af.pt

f2a.it

af2.org

a2f.net

fa2.org

2af.org

2af.it

fa2.net

f2a.ru

f2a.fr

a2f.us

fa2.me

a2f.cn

af2.cn

af2.com.br

af2.com

f2a.space

af2.de

af2.cz

fa2.in

af2.pl

af2.info

af2.co.uk

f2a.net

a2f.nl

f2a.nl

a2f.de

DNS History

5 records (5 active, 0 former)

●NSns1.markmonitor.com2026-02-23 → 2026-02-26 · 2 obs

● 2026-02-23 23:59:18
● 2026-02-26 17:17:18

●NSns2.markmonitor.com2026-02-23 → 2026-02-26 · 2 obs

● 2026-02-23 23:59:18
● 2026-02-26 17:17:18

●NSns3.markmonitor.com2026-02-23 → 2026-02-26 · 2 obs

● 2026-02-23 23:59:18
● 2026-02-26 17:17:18

●NSns4.markmonitor.com2026-02-23 → 2026-02-26 · 2 obs

● 2026-02-23 23:59:18
● 2026-02-26 17:17:18

●A3.33.139.322026-02-23 → 2026-02-26 · 2 obs

● 2026-02-23 23:59:18
● 2026-02-26 17:17:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
2fa.dev	ns3.markmonitor.com, ns4.markmonitor.com, ns1.markmonitor.com, ns2.markmonitor.com	-