`askbook.su`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:115d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:af6b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.93^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.107^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`norman.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`norman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`norman.ns.cloudflare.com`
		A	108.162.193.217^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	172.64.33.217^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
		A	173.245.59.217^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`norman.ns.cloudflare.com`
NS	`pat.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pat.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pat.ns.cloudflare.com`
		A	108.162.192.139^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
		A	172.64.32.139^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
		A	173.245.58.139^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pat.ns.cloudflare.com`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.17.93, 172.67.175.107
		IPv6	2606:4700:3035::6815:115d, 2606:4700:3036::ac43:af6b
SOA	`norman.ns.cloudflare.com`dns@cloudflare.com serial=2398028498

`su`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=650208459

Same first word

askbook.com

askbook.net

askbook.ru

askbook.su

Similar names

sakbook.com

kabooks.com

skabook.com

bookask.net

akbooks.com.ua

sookbak.com

bookask.com

bookask.cn

DNS History

15 records (7 active, 8 former)

○NSdns1.yandex.net2015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 13:09:04
○ 2015-11-07 21:40:30
○ 2026-03-23 01:01:44

○NSdns2.yandex.net2015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 13:09:04
○ 2015-11-07 21:40:30
○ 2026-03-23 01:01:44

●NSnorman.ns.cloudflare.com2015-11-07 → 2026-03-23 · 3 obs

○ 2015-06-26 13:09:04
● 2015-11-07 21:40:30
● 2026-03-23 01:01:44

●NSpat.ns.cloudflare.com2015-11-07 → 2026-03-23 · 3 obs

○ 2015-06-26 13:09:04
● 2015-11-07 21:40:30
● 2026-03-23 01:01:44

●MXmx.yandex.net2015-06-26 → 2026-03-23 · 2 obs

● 2015-06-26 13:09:04
● 2026-03-23 01:01:44

●A104.21.17.932026-03-04 → 2026-03-23 · 3 obs

○ 2017-05-19 10:28:34
● 2026-03-04 06:35:46
● 2026-03-23 01:01:44

○A104.31.76.1902015-11-07 → 2017-05-19 · 5 obs

○ 2015-06-26 13:09:04
● 2015-11-07 21:40:30
● 2017-05-19 10:28:34
○ 2026-03-04 06:35:46
○ 2026-03-23 01:01:44

○A104.31.77.1902015-11-07 → 2017-05-19 · 5 obs

○ 2015-06-26 13:09:04
● 2015-11-07 21:40:30
● 2017-05-19 10:28:34
○ 2026-03-04 06:35:46
○ 2026-03-23 01:01:44

○A107.189.129.892015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 13:09:04
○ 2017-05-19 10:28:34
○ 2026-03-23 01:01:44

●A172.67.175.1072026-03-04 → 2026-03-23 · 3 obs

○ 2017-05-19 10:28:34
● 2026-03-04 06:35:46
● 2026-03-23 01:01:44

○A2400:cb00:2048:1::681f:4cbe2016-11-07 → 2017-05-19 · 5 obs

○ 2015-11-07 21:40:30
● 2016-11-07 03:28:54
● 2017-05-19 10:28:34
○ 2026-03-04 06:35:46
○ 2026-03-23 01:01:44

○A2400:cb00:2048:1::681f:4dbe2016-11-07 → 2017-05-19 · 5 obs

○ 2015-11-07 21:40:30
● 2016-11-07 03:28:54
● 2017-05-19 10:28:34
○ 2026-03-04 06:35:46
○ 2026-03-23 01:01:44

●A2606:4700:3035::6815:115d2026-03-04 → 2026-03-23 · 3 obs

○ 2017-05-19 10:28:34
● 2026-03-04 06:35:46
● 2026-03-23 01:01:44

●A2606:4700:3036::ac43:af6b2026-03-04 → 2026-03-23 · 3 obs

○ 2017-05-19 10:28:34
● 2026-03-04 06:35:46
● 2026-03-23 01:01:44

○A62.173.145.692015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 13:09:04
○ 2015-11-07 21:40:30
○ 2026-03-23 01:01:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	10 records
askbook.su	norman.ns.cloudflare.com, pat.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.139

NS records: norman.ns.cloudflare.com, pat.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for askbook.su (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.107, 104.21.17.93`
AAAA	2	`2606:4700:3036::ac43:af6b, 2606:4700:3035::6815:115d`
NS	2	`norman.ns.cloudflare.com, pat.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.yandex.net`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`norman.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...)

Analysis

IP Addresses

askbook.su points to four IP numbers: 2606:4700:3035::6815:115d, 2606:4700:3036::ac43:af6b, 104.21.17.93 and 172.67.175.107.

Other host names, for instance diversifiedriskmanagement.com, dekorokur.com, digimode.org, fatihsaral.com and yespenny.com share IP numbers with askbook.su.

Name Servers

askbook.su is delegated to two name servers: norman.ns.cloudflare.com and pat.ns.cloudflare.com.

askbook.su uses the same name server setup as other domains, for instance webfreebets.com, datahub.com.br, dokkanak.com, tsc-eg.com and enduringpromises.com.

askbook.su shares name servers with other domains at least partially, for instance hackerbot.net, shxdowcheats.net, birchhillrc.org, bibliotecabahai.com and pulverchiropractic.com.

These name servers are commonly used with dave.ns.cloudflare.com, brad.ns.cloudflare.com, megan.ns.cloudflare.com and eloise.ns.cloudflare.com.

Host names with six IP numbers: norman.ns.cloudflare.com points to 2606:4700:58::adf5:3bd9, 2803:f800:50::6ca2:c1d9, 2a06:98c1:50::ac40:21d9, 108.162.193.217, 172.64.33.217 and 173.245.59.217; pat.ns.cloudflare.com points to 2606:4700:50::adf5:3a8b, 2803:f800:50::6ca2:c08b, 2a06:98c1:50::ac40:208b, 108.162.192.139, 172.64.32.139 and 173.245.58.139.

Mail Servers

The mail server for askbook.su is mx.yandex.net.

askbook.su shares the same mail server setup as other domains, including 1028.fm, ptsv.by, belkatour.com, asitek.ru and mip-expert.ru.

At least part of askbook.su's mail servers are shared with other domains, for instance uk-paritet.ru and basinodam.com.

Host name mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.

askbook.su - robtex.com

askbook.su

su

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

`askbook.su`

`su`