`questduo.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:679^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:86d5^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.121^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.213^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coraline.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2658^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c258^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coraline.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2258^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coraline.ns.cloudflare.com`
		A	108.162.194.88^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	162.159.38.88^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	172.64.34.88^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
NS	`jay.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jay.ns.cloudflare.com`
		A	108.162.193.123^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	172.64.33.123^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
		A	173.245.59.123^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jay.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁸⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=SAfUL7K5z4XyvMrzk74wQjydEKH5lpbcA8wajNe8enM`
TXT	`google-site-verification=oYEddZfa2o4l3wcAItmOed4th2bljbzUtj-CCCWCp2g`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.121, 172.67.134.213
		IPv6 hints	2606:4700:3035::6815:679, 2606:4700:3037::ac43:86d5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOA	`coraline.ns.cloudflare.com`dns@cloudflare.com serial=2406794911

`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=1786085049

Same first word

questduo.com

Similar names

duoquest.xyz

DNS History

17 records (9 active, 8 former)

●NScoraline.ns.cloudflare.com2026-05-18 → 2026-08-07 · 3 obs

○ 2020-03-09 01:14:40
● 2026-05-18 13:16:40
● 2026-08-07 06:57:46

●NSjay.ns.cloudflare.com2026-05-18 → 2026-08-07 · 3 obs

○ 2020-03-09 01:14:40
● 2026-05-18 13:16:40
● 2026-08-07 06:57:46

○NSns0.telstra.net2015-08-12 → 2020-03-09 · 4 obs

● 2015-08-12 11:35:16
● 2020-03-09 01:14:40
○ 2026-05-18 13:16:40
○ 2026-08-07 06:57:46

○NSns1.telstra.net2015-08-12 → 2020-03-09 · 4 obs

● 2015-08-12 11:35:16
● 2020-03-09 01:14:40
○ 2026-05-18 13:16:40
○ 2026-08-07 06:57:46

○MXmail.questduo.com2015-08-12 → 2020-03-09 · 4 obs

● 2015-08-12 11:35:16
● 2020-03-09 01:14:40
○ 2026-05-18 13:16:40
○ 2026-08-07 06:57:46

●MXroute1.mx.cloudflare.net2026-05-18 → 2026-08-07 · 3 obs

○ 2020-03-09 01:14:40
● 2026-05-18 13:16:40
● 2026-08-07 06:57:46

●MXroute2.mx.cloudflare.net2026-05-18 → 2026-08-07 · 3 obs

○ 2020-03-09 01:14:40
● 2026-05-18 13:16:40
● 2026-08-07 06:57:46

●MXroute3.mx.cloudflare.net2026-05-18 → 2026-08-07 · 3 obs

○ 2020-03-09 01:14:40
● 2026-05-18 13:16:40
● 2026-08-07 06:57:46

●A104.21.6.1212026-05-18 → 2026-08-07 · 7 obs

● 2026-05-18 13:16:40
● 2026-06-07 00:32:08
○ 2026-06-08 12:17:54
● 2026-06-09 01:36:22
○ 2026-07-21 21:17:06
● 2026-08-07 06:57:44
● 2026-08-07 06:57:46

●A172.67.134.2132026-05-18 → 2026-08-07 · 7 obs

● 2026-05-18 13:16:40
● 2026-06-07 00:32:08
○ 2026-06-08 12:17:54
● 2026-06-09 01:36:22
○ 2026-07-21 21:17:06
● 2026-08-07 06:57:44
● 2026-08-07 06:57:46

○A188.114.96.02026-06-08 → 2026-07-21 · 6 obs

○ 2026-06-07 00:32:08
● 2026-06-08 12:17:54
○ 2026-06-09 01:36:22
● 2026-07-21 21:17:06
○ 2026-08-07 06:57:44
○ 2026-08-07 06:57:46

○A188.114.97.02026-06-08 → 2026-07-21 · 6 obs

○ 2026-06-07 00:32:08
● 2026-06-08 12:17:54
○ 2026-06-09 01:36:22
● 2026-07-21 21:17:06
○ 2026-08-07 06:57:44
○ 2026-08-07 06:57:46

○A2606:4700:3031::6815:6792026-05-18 → 2026-06-09 · 6 obs

● 2026-05-18 13:16:40
● 2026-06-07 00:32:08
○ 2026-06-08 12:17:54
● 2026-06-09 01:36:22
○ 2026-07-12 09:39:14
○ 2026-08-07 06:57:46

●A2606:4700:3035::6815:6792026-07-12 → 2026-08-07 · 5 obs

○ 2026-06-09 01:36:22
● 2026-07-12 09:39:14
○ 2026-07-21 21:17:06
● 2026-08-07 06:57:44
● 2026-08-07 06:57:46

●A2606:4700:3037::ac43:86d52026-05-18 → 2026-08-07 · 7 obs

● 2026-05-18 13:16:40
● 2026-06-07 00:32:08
○ 2026-06-08 12:17:54
● 2026-06-09 01:36:22
○ 2026-07-21 21:17:06
● 2026-08-07 06:57:44
● 2026-08-07 06:57:46

○A2a06:98c1:3120::2026-06-08 → 2026-07-21 · 6 obs

○ 2026-06-07 00:32:08
● 2026-06-08 12:17:54
○ 2026-06-09 01:36:22
● 2026-07-21 21:17:06
○ 2026-08-07 06:57:44
○ 2026-08-07 06:57:46

○A2a06:98c1:3121::2026-06-08 → 2026-07-21 · 6 obs

○ 2026-06-07 00:32:08
● 2026-06-08 12:17:54
○ 2026-06-09 01:36:22
● 2026-07-21 21:17:06
○ 2026-08-07 06:57:44
○ 2026-08-07 06:57:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
questduo.com	jay.ns.cloudflare.com, coraline.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.88

NS records: jay.ns.cloudflare.com, coraline.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for questduo.com (unsigned zone)

⏱️ Timing

Total: 188ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.134.213, 104.21.6.121`
AAAA	2	`2606:4700:3035::6815:679, 2606:4700:3037::ac43:86d5`
NS	2	`coraline.ns.cloudflare.com, jay.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 86)...`
TXT	3	`google-site-verification=SAfUL7K5z4XyvMr, google-site-verification=oYEddZfa2o4l3wc...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coraline.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

questduo.com has four IP addresses: 104.21.6.121, 172.67.134.213, 2606:4700:3035::6815:679 and 2606:4700:3037::ac43:86d5.

Two other host names, along with www.wje.org.nz, tetap.terbang-terus.id and worcester123.com, also share IP numbers with questduo.com.

Name Servers

questduo.com is served by two delegated name servers, coraline.ns.cloudflare.com and jay.ns.cloudflare.com.

questduo.com shares its NS records with other domains, for example yl805.com, ytfgpk12389fd.cc, fdsa4654fdsaraew23d.cc and two others.

questduo.com partially shares its NS delegation with several other domains, including thomsonlearning.co.uk, xn--kazkazan-vkb.net, la-a-boy.com and two others.

These name servers often co-occur with the name servers lily.ns.cloudflare.com.

DNS names with 6 IP addresses:

coraline.ns.cloudflare.com carries IP addresses 108.162.194.88, 162.159.38.88 and 172.64.34.88, with 3 other addresses beyond those.

jay.ns.cloudflare.com carries IP addresses 108.162.193.123, 172.64.33.123 and 173.245.59.123, with 3 other addresses beyond those.

Mail Servers

questduo.com uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between questduo.com and other domains, including plantcare.pro, isctrl.net, redpill.blue and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.

questduo.com - robtex.com

questduo.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`questduo.com`

`com`