`duotify.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3ffb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:adb1^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.251^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.177^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jeff.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jeff.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jeff.ns.cloudflare.com`
		A	108.162.193.124^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	172.64.33.124^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	173.245.59.124^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
NS	`zoe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c095^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zoe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2095^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zoe.ns.cloudflare.com`
		A	108.162.192.149^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	172.64.32.149^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
		A	173.245.58.149^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zoe.ns.cloudflare.com`
MX	`duotify-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`facebook-domain-verification=1entbg4614jhjxq0y2i8vdud5uis6i`
TXT	`google-site-verification=CaepBfsA2jhEhuNnV3jEG9OykWzHkHuxFbZulLCzx1g`
TXT	`openai-domain-verification=dv-1UcF5IWjxoKMFO7e6rQYSBAt`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.63.251, 172.67.173.177
		IPv6	2606:4700:3031::6815:3ffb, 2606:4700:3037::ac43:adb1
SOA	`jeff.ns.cloudflare.com`dns@cloudflare.com serial=2398251604

`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

Subdomains

learn.duotify.com

Same first word

duotify.com

DNS History

16 records (7 active, 9 former)

●NSjeff.ns.cloudflare.com2026-02-20 → 2026-03-15 · 3 obs

○ 2018-08-17 09:19:20
● 2026-02-20 15:34:50
● 2026-03-15 14:53:48

○NSns1-01.azure-dns.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:19:20
○ 2026-02-20 15:34:50
○ 2026-03-15 14:53:48

○NSns2-01.azure-dns.net2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:19:20
○ 2026-02-20 15:34:50
○ 2026-03-15 14:53:48

○NSns3-01.azure-dns.org2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:19:20
○ 2026-02-20 15:34:50
○ 2026-03-15 14:53:48

○NSns4-01.azure-dns.info2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:19:20
○ 2026-02-20 15:34:50
○ 2026-03-15 14:53:48

●NSzoe.ns.cloudflare.com2026-02-20 → 2026-03-15 · 3 obs

○ 2018-08-17 09:19:20
● 2026-02-20 15:34:50
● 2026-03-15 14:53:48

●MXduotify-com.mail.protection.outlook.com2026-02-20 → 2026-03-15 · 2 obs

● 2026-02-20 15:34:50
● 2026-03-15 14:53:48

●A104.21.63.2512026-02-23 → 2026-03-15 · 6 obs

○ 2026-02-20 15:34:50
● 2026-02-23 18:01:28
○ 2026-03-01 10:28:36
○ 2026-03-11 09:46:18
● 2026-03-13 12:14:22
● 2026-03-15 14:53:48

●A172.67.173.1772026-02-23 → 2026-03-15 · 6 obs

○ 2026-02-20 15:34:50
● 2026-02-23 18:01:28
○ 2026-03-01 10:28:36
○ 2026-03-11 09:46:18
● 2026-03-13 12:14:22
● 2026-03-15 14:53:48

○A188.114.96.02026-02-20 → 2026-03-11 · 7 obs

○ 2018-08-17 09:19:20
● 2026-02-20 15:34:50
○ 2026-02-23 18:01:28
● 2026-03-01 10:28:36
● 2026-03-11 09:46:18
○ 2026-03-13 12:14:22
○ 2026-03-15 14:53:48

○A188.114.97.02026-02-20 → 2026-03-11 · 7 obs

○ 2018-08-17 09:19:20
● 2026-02-20 15:34:50
○ 2026-02-23 18:01:28
● 2026-03-01 10:28:36
● 2026-03-11 09:46:18
○ 2026-03-13 12:14:22
○ 2026-03-15 14:53:48

●A2606:4700:3031::6815:3ffb2026-02-23 → 2026-03-15 · 6 obs

○ 2026-02-20 15:34:50
● 2026-02-23 18:01:28
○ 2026-03-01 10:28:36
○ 2026-03-11 09:46:18
● 2026-03-13 12:14:22
● 2026-03-15 14:53:48

●A2606:4700:3037::ac43:adb12026-02-23 → 2026-03-15 · 6 obs

○ 2026-02-20 15:34:50
● 2026-02-23 18:01:28
○ 2026-03-01 10:28:36
○ 2026-03-11 09:46:18
● 2026-03-13 12:14:22
● 2026-03-15 14:53:48

○A2a06:98c1:3120::2026-02-20 → 2026-03-11 · 7 obs

○ 2018-08-17 09:19:20
● 2026-02-20 15:34:50
○ 2026-02-23 18:01:28
● 2026-03-01 10:28:36
● 2026-03-11 09:46:18
○ 2026-03-13 12:14:22
○ 2026-03-15 14:53:48

○A2a06:98c1:3121::2026-02-20 → 2026-03-11 · 7 obs

○ 2018-08-17 09:19:20
● 2026-02-20 15:34:50
○ 2026-02-23 18:01:28
● 2026-03-01 10:28:36
● 2026-03-11 09:46:18
○ 2026-03-13 12:14:22
○ 2026-03-15 14:53:48

○A65.52.168.702018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:19:20
○ 2026-02-20 15:34:50
○ 2026-03-15 14:53:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
duotify.com	jeff.ns.cloudflare.com, zoe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.124

NS records: jeff.ns.cloudflare.com, zoe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duotify.com (unsigned zone)

⏱️ Timing

Total: 374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.251, 172.67.173.177`
AAAA	2	`2606:4700:3031::6815:3ffb, 2606:4700:3037::ac43:adb1`
NS	2	`jeff.ns.cloudflare.com, zoe.ns.cloudflare.com`
MX	1	`duotify-com.mail.protection.outlook.com`
TXT	4	`facebook-domain-verification=1entbg4614j, google-site-verification=CaepBfsA2jhEhuN...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jeff.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jeff.ns.cloudflare.com, jeff.ns.cloudflare.com, jeff.ns.cloudflare.com...)

Analysis

Hierarchy

The parent of learn.duotify.com is duotify.com.

IP Addresses

duotify.com maps to four IP numbers: 2606:4700:3031::6815:3ffb, 2606:4700:3037::ac43:adb1, 104.21.63.251 and 172.67.173.177.

Other host names, for instance m-pixel.com, klimatcontrol.com, supskirt.com, teenieweenie.net.cn and www.luigispizzafairview.com share IP numbers with duotify.com.

Name Servers

Two name servers jeff.ns.cloudflare.com and zoe.ns.cloudflare.com handle delegation for duotify.com.

duotify.com uses the same name server setup as other domains, for example ambhe.in, soceh.org.sg, apostadesportivas.com, ritaarnaus.com and swart.me.

duotify.com partially shares name servers with other domains; examples include naughtydatingclub.es, lokaltyp.eu.org, yggdrasilmc.com, massagetherapy.bc.ca and aportesingecivil.com.

these name servers are commonly used with the name servers aiden.ns.cloudflare.com.

Host names with six IP numbers: jeff.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7c, 2803:f800:50::6ca2:c17c, 2a06:98c1:50::ac40:217c, 108.162.193.124, 172.64.33.124 and 173.245.59.124; zoe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a95, 2803:f800:50::6ca2:c095, 2a06:98c1:50::ac40:2095, 108.162.192.149, 172.64.32.149 and 173.245.58.149.

Mail Servers

duotify.com is handled by a single mail server, duotify-com.mail.protection.outlook.com.

Host name duotify-com.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

duotify.com - robtex.com

duotify.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`duotify.com`

`com`