sci-book.com - robtex.com

sci-book.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8935🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:5e91🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.94.145Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.53🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoby.ns.cloudflare.com ⭐ 🔒
A2606:4700:58::adf5:3b5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A2803:f800:50::6ca2:c15c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoby.ns.cloudflare.com
A2a06:98c1:50::ac40:215c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoby.ns.cloudflare.com
A108.162.193.92🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A172.64.33.92🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A173.245.59.92🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
NSgwen.ns.cloudflare.com
A2606:4700:50::adf5:3aa0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
A2803:f800:50::6ca2:c0a0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgwen.ns.cloudflare.com
A2a06:98c1:50::ac40:20a0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgwen.ns.cloudflare.com
A108.162.192.160🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
A172.64.32.160🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
A173.245.58.160🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgwen.ns.cloudflare.com
MXmx15.ukraine.com.ua ⭐
A2a0c:a80:0:b01a::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-18.default-host.net
A2a0c:a80:0:b01c::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-17.default-host.net
A2a0c:a80:0:b10a::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-10.default-host.net
A2a0c:a80:0:b10b::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-11.default-host.net
A2a0c:a80:0:b10c::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-12.default-host.net
A2a0c:a80:0:b10d::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-13.default-host.net
A2a0c:a80:0:b10e::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-14.default-host.net
A185.234.176.26🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-18.default-host.net
A185.234.176.28🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-17.default-host.net
A185.234.177.10🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-10.default-host.net
A185.234.177.11🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-11.default-host.net
A185.234.177.12🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-12.default-host.net
A185.234.177.13🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-13.default-host.net
A185.234.177.14🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-14.default-host.net
MXmx20.ukraine.com.ua(20)
A2a0c:a80:0:b01a::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-18.default-host.net
A2a0c:a80:0:b01c::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-17.default-host.net
A2a0c:a80:0:b10a::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-10.default-host.net
A2a0c:a80:0:b10b::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-11.default-host.net
A2a0c:a80:0:b10c::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-12.default-host.net
A2a0c:a80:0:b10d::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-13.default-host.net
A2a0c:a80:0:b10e::1🇺🇦 Ukraine-AS2a0c:a80::/29
PTRmail-mx-14.default-host.net
A185.234.176.26🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-18.default-host.net
A185.234.176.28🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-17.default-host.net
A185.234.177.10🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-10.default-host.net
A185.234.177.11🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-11.default-host.net
A185.234.177.12🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-12.default-host.net
A185.234.177.13🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-13.default-host.net
A185.234.177.14🇺🇦 Ukraine-AS185.234.176.0/22
PTRmail-mx-14.default-host.net
TXTahrefs-site-verification_4e23ba31d6c610702ba5fe8dc43e1374019195422d7f0b82ee17...
TXTv=spf1 include:_spf.ukraine.com.ua ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.94.145, 172.67.137.53
IPv62606:4700:3033::ac43:8935, 2606:4700:3035::6815:5e91
SOAcoby.ns.cloudflare.comdns@cloudflare.com serial=2394703571

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
WOT: SAFE (68/100)

Same first word

sci-book.com

DNS History

26 records (8 active, 18 former)

20162017201820192020202120222023202420252026NScoby.ns.cloudflare.comgwen.ns.cloudflare.comns1.fastdns.hostingns1.ukraine.com.uans13.inhostedns.comns1kpv.name.comns2.ukraine.com.uans23.inhostedns.netns2kqz.name.comns3.ukraine.com.uans33.inhostedns.orgns3gnv.name.comns4fpy.name.comMXmx15.ukraine.com.uamx20.ukraine.com.uamail.b-io.coA104.21.94.145172.67.137.532606:4700:3033::ac43:89352606:4700:3035::6815:5e91185.104.45.562a00:ab00:4300:1db::92a06:6440:0:2d38::15.178.87.11391.195.240.9495.213.196.125
●NScoby.ns.cloudflare.com2026-02-26 → 2026-02-26 · 3 obs
○ 2021-10-27 21:21:00
● 2026-02-26 08:07:46
● 2026-02-26 20:21:02
●NSgwen.ns.cloudflare.com2026-02-26 → 2026-02-26 · 3 obs
○ 2021-10-27 21:21:00
● 2026-02-26 08:07:46
● 2026-02-26 20:21:02
○NSns1.fastdns.hosting2016-03-16 → 2016-07-09 · 5 obs
○ 2015-12-18 05:22:18
● 2016-03-16 23:36:36
● 2016-07-09 17:11:36
○ 2017-04-02 20:08:34
○ 2026-02-26 20:21:02
○NSns1.ukraine.com.ua2015-08-07 → 2017-04-02 · 7 obs
● 2015-08-07 03:59:20
● 2015-12-18 05:22:18
○ 2016-03-16 23:36:36
○ 2016-07-09 17:11:36
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
○ 2026-02-26 20:21:02
○NSns13.inhostedns.com2021-10-27 → 2021-10-27 · 4 obs
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
○ 2026-02-26 08:07:46
○ 2026-02-26 20:21:02
○NSns1kpv.name.com2020-01-06 → 2020-01-06 · 4 obs
○ 2017-04-02 20:08:34
● 2020-01-06 01:08:54
○ 2021-10-27 21:21:00
○ 2026-02-26 20:21:02
○NSns2.ukraine.com.ua2015-08-07 → 2017-04-02 · 4 obs
● 2015-08-07 03:59:20
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
○ 2026-02-26 20:21:02
○NSns23.inhostedns.net2021-10-27 → 2021-10-27 · 4 obs
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
○ 2026-02-26 08:07:46
○ 2026-02-26 20:21:02
○NSns2kqz.name.com2020-01-06 → 2020-01-06 · 4 obs
○ 2017-04-02 20:08:34
● 2020-01-06 01:08:54
○ 2021-10-27 21:21:00
○ 2026-02-26 20:21:02
○NSns3.ukraine.com.ua2015-08-07 → 2017-04-02 · 4 obs
● 2015-08-07 03:59:20
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
○ 2026-02-26 20:21:02
○NSns33.inhostedns.org2021-10-27 → 2021-10-27 · 4 obs
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
○ 2026-02-26 08:07:46
○ 2026-02-26 20:21:02
○NSns3gnv.name.com2020-01-06 → 2020-01-06 · 4 obs
○ 2017-04-02 20:08:34
● 2020-01-06 01:08:54
○ 2021-10-27 21:21:00
○ 2026-02-26 20:21:02
○NSns4fpy.name.com2020-01-06 → 2020-01-06 · 4 obs
○ 2017-04-02 20:08:34
● 2020-01-06 01:08:54
○ 2021-10-27 21:21:00
○ 2026-02-26 20:21:02
○MXmail.b-io.co2020-01-06 → 2020-01-06 · 4 obs
○ 2017-04-02 20:08:34
● 2020-01-06 01:08:54
○ 2021-10-27 21:21:00
○ 2026-02-26 20:21:02
●MXmx15.ukraine.com.ua2015-08-07 → 2026-02-26 · 5 obs
● 2015-08-07 03:59:20
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
● 2026-02-26 20:21:02
●MXmx20.ukraine.com.ua2015-08-07 → 2026-02-26 · 5 obs
● 2015-08-07 03:59:20
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
● 2026-02-26 20:21:02
●A104.21.94.1452026-02-26 → 2026-02-26 · 3 obs
○ 2021-10-27 21:21:00
● 2026-02-26 08:07:46
● 2026-02-26 20:21:02
●A172.67.137.532026-02-26 → 2026-02-26 · 3 obs
○ 2021-10-27 21:21:00
● 2026-02-26 08:07:46
● 2026-02-26 20:21:02
○A185.104.45.562021-10-27 → 2021-10-27 · 4 obs
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
○ 2026-02-26 08:07:46
○ 2026-02-26 20:21:02
●A2606:4700:3033::ac43:89352026-02-26 → 2026-02-26 · 3 obs
○ 2021-10-27 21:21:00
● 2026-02-26 08:07:46
● 2026-02-26 20:21:02
●A2606:4700:3035::6815:5e912026-02-26 → 2026-02-26 · 3 obs
○ 2021-10-27 21:21:00
● 2026-02-26 08:07:46
● 2026-02-26 20:21:02
○A2a00:ab00:4300:1db::92017-04-02 → 2017-04-02 · 4 obs
○ 2016-03-16 23:36:36
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
○ 2026-02-26 20:21:02
○A2a06:6440:0:2d38::12021-10-27 → 2021-10-27 · 4 obs
○ 2020-01-06 01:08:54
● 2021-10-27 21:21:00
○ 2026-02-26 08:07:46
○ 2026-02-26 20:21:02
○A5.178.87.1132015-08-07 → 2015-12-18 · 4 obs
● 2015-08-07 03:59:20
● 2015-12-18 05:22:18
○ 2016-03-16 23:36:36
○ 2026-02-26 20:21:02
○A91.195.240.942020-01-06 → 2020-01-06 · 4 obs
○ 2017-04-02 20:08:34
● 2020-01-06 01:08:54
○ 2021-10-27 21:21:00
○ 2026-02-26 20:21:02
○A95.213.196.1252016-03-16 → 2017-04-02 · 5 obs
○ 2015-12-18 05:22:18
● 2016-03-16 23:36:36
● 2017-04-02 20:08:34
○ 2020-01-06 01:08:54
○ 2026-02-26 20:21:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sci-book.comcoby.ns.cloudflare.com, gwen.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.193.92

NS records: coby.ns.cloudflare.com, gwen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sci-book.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.137.53, 104.21.94.145
AAAA22606:4700:3033::ac43:8935, 2606:4700:3035::6815:5e91
NS2coby.ns.cloudflare.com, gwen.ns.cloudflare.com
MX2mx15.ukraine.com.ua (pri: 15), mx20.ukraine.com.ua (pri: 20)
TXT2ahrefs-site-verification_4e23ba31d6c6107, v=spf1 include:_spf.ukraine.com.ua ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1coby.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

AI analysis

sci-book.com refers to four IP numbers: 2606:4700:3033::ac43:8935, 2606:4700:3035::6815:5e91, 104.21.94.145 and 172.67.137.53.

Other host names, for instance cempro.com.mx, cultur-worldpl.world, steven-m.eu, saucybynature.com and goingundergames.com share IP numbers with sci-book.com.

sci-book.com's delegation uses two name servers: coby.ns.cloudflare.com and gwen.ns.cloudflare.com.

sci-book.com uses the same name server setup as other domains, such as archgrid.info, texnonews.com, nesekret.net, restopass.com and sharksandwolves.com.

sci-book.com at least partially shares name servers with other domains, including niranjanthilak.com, sunsetsurfshop.com.ar, bagnoli.me, 444307.xyz and itstitle.com.

These name servers are often used with theo.ns.cloudflare.com and bryce.ns.cloudflare.com.

Host names with six IP numbers:

coby.ns.cloudflare.com points to 2606:4700:58::adf5:3b5c, 2803:f800:50::6ca2:c15c, 2a06:98c1:50::ac40:215c, 108.162.193.92, 172.64.33.92 and 173.245.59.92.

gwen.ns.cloudflare.com points to 2606:4700:50::adf5:3aa0, 2803:f800:50::6ca2:c0a0, 2a06:98c1:50::ac40:20a0, 108.162.192.160, 172.64.32.160 and 173.245.58.160.

sci-book.com is served by two mail servers mx15.ukraine.com.ua and mx20.ukraine.com.ua.

sci-book.com shares the same mail server setup as other domains, for instance skladchistoti.com.ua, 4s.pl.ua, ligaigr.com, inschool.in.ua and parkarena.com.ua.

sci-book.com shares some mail servers with other domains, for instance twigames.net, cargofy.ua, ideo-grafika.com and raketaagency.com.

Host names with fourteen IP numbers: The host names mx15.ukraine.com.ua and mx20.ukraine.com.ua point to 2a0c:a80:0:b01a::1, 2a0c:a80:0:b01c::1, 2a0c:a80:0:b10a::1, 2a0c:a80:0:b10b::1, 2a0c:a80:0:b10c::1, 2a0c:a80:0:b10d::1, 2a0c:a80:0:b10e::1, 185.234.176.26, 185.234.176.28, 185.234.177.10, 185.234.177.11, 185.234.177.12, 185.234.177.13 and 185.234.177.14.

IP numbers 2a0c:a80:0:b01a::1, 2a0c:a80:0:b01c::1, 2a0c:a80:0:b10a::1, 2a0c:a80:0:b10b::1, 2a0c:a80:0:b10c::1, 2a0c:a80:0:b10d::1, 2a0c:a80:0:b10e::1, 185.234.176.26, 185.234.176.28, 185.234.177.10, 185.234.177.11, 185.234.177.12, 185.234.177.13 and 185.234.177.14 are pointed to by mx15.ukraine.com.ua and mx20.ukraine.com.ua.