it-knowledge.info - dns.ninja

it-knowledge.info

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:1c3f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:aa68🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.63Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.104🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbill.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
A2803:f800:50::6ca2:c14a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbill.ns.cloudflare.com
A2a06:98c1:50::ac40:214a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbill.ns.cloudflare.com
A108.162.193.74🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
A172.64.33.74🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
A173.245.59.74🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbill.ns.cloudflare.com
NSleah.ns.cloudflare.com
A2606:4700:50::adf5:3a81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A2803:f800:50::6ca2:c081🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleah.ns.cloudflare.com
A2a06:98c1:50::ac40:2081🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleah.ns.cloudflare.com
A108.162.192.129🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A172.64.32.129🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A173.245.58.129🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
MXsmtp.nelsonbaptista.me ⭐
TXTv=spf1 mx mx:smtp.nelsonbaptista.me a:relay1.ptmail.sapo.pt a:relay2.ptmail.s...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.63, 172.67.170.104
IPv6 hints2606:4700:3030::6815:1c3f, 2606:4700:3032::ac43:aa68
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOAbill.ns.cloudflare.comdns@cloudflare.com serial=2410856233

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1785691982

Same first word

it-knowledge.com
it-knowledge.co.at
it-knowledge.nl
it-knowledge.at
it-knowledge.dk
it-knowledge.ru
it-knowledge.ge
it-knowledge.info
it-knowledge.de
it-knowledge.be

Similar names

knowledge-it.de

DNS History

20 records (7 active, 13 former)

20162017201820192020202120222023202420252026NSbill.ns.cloudflare.comleah.ns.cloudflare.comns1.he.netns2.he.netns3.he.netns4.he.netns5.he.netMXsmtp.nelsonbaptista.mekernel-1.it-knowledge.infokernel.dynip.sapo.ptA104.21.28.63172.67.170.1042606:4700:3030::6815:1c3f2606:4700:3032::ac43:aa68104.28.18.210104.28.19.2102400:cb00:2048:1::681c:12d22400:cb00:2048:1::681c:13d22606:4700:3031::ac43:aa682606:4700:3037::6815:1c3f
●NSbill.ns.cloudflare.com2015-11-18 → 2026-08-02 · 3 obs
○ 2015-07-06 08:21:28
● 2015-11-18 00:51:12
● 2026-08-02 18:22:50
●NSleah.ns.cloudflare.com2015-11-18 → 2026-08-02 · 3 obs
○ 2015-07-06 08:21:28
● 2015-11-18 00:51:12
● 2026-08-02 18:22:50
○NSns1.he.net2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 08:21:28
○ 2015-11-18 00:51:12
○ 2026-08-02 18:22:50
○NSns2.he.net2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 08:21:28
○ 2015-11-18 00:51:12
○ 2026-08-02 18:22:50
○NSns3.he.net2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 08:21:28
○ 2015-11-18 00:51:12
○ 2026-08-02 18:22:50
○NSns4.he.net2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 08:21:28
○ 2015-11-18 00:51:12
○ 2026-08-02 18:22:50
○NSns5.he.net2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 08:21:28
○ 2015-11-18 00:51:12
○ 2026-08-02 18:22:50
○MXkernel-1.it-knowledge.info2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 08:21:28
○ 2015-11-18 00:51:12
○ 2026-08-02 18:22:50
○MXkernel.dynip.sapo.pt2015-11-18 → 2017-03-28 · 5 obs
○ 2015-07-06 08:21:28
● 2015-11-18 00:51:12
● 2017-03-28 16:15:32
○ 2026-03-25 14:59:52
○ 2026-08-02 18:22:50
●MXsmtp.nelsonbaptista.me2026-03-25 → 2026-08-02 · 3 obs
○ 2017-03-28 16:15:32
● 2026-03-25 14:59:52
● 2026-08-02 18:22:50
●A104.21.28.632026-03-25 → 2026-08-02 · 3 obs
○ 2017-03-28 16:15:32
● 2026-03-25 14:59:52
● 2026-08-02 18:22:50
○A104.28.18.2102015-11-18 → 2017-03-28 · 4 obs
● 2015-11-18 00:51:12
● 2017-03-28 16:15:32
○ 2026-03-25 14:59:52
○ 2026-08-02 18:22:50
○A104.28.19.2102015-11-18 → 2017-03-28 · 4 obs
● 2015-11-18 00:51:12
● 2017-03-28 16:15:32
○ 2026-03-25 14:59:52
○ 2026-08-02 18:22:50
●A172.67.170.1042026-03-25 → 2026-08-02 · 3 obs
○ 2017-03-28 16:15:32
● 2026-03-25 14:59:52
● 2026-08-02 18:22:50
○A2400:cb00:2048:1::681c:12d22015-11-18 → 2017-03-28 · 4 obs
● 2015-11-18 00:51:12
● 2017-03-28 16:15:32
○ 2026-03-25 14:59:52
○ 2026-08-02 18:22:50
○A2400:cb00:2048:1::681c:13d22015-11-18 → 2017-03-28 · 4 obs
● 2015-11-18 00:51:12
● 2017-03-28 16:15:32
○ 2026-03-25 14:59:52
○ 2026-08-02 18:22:50
●A2606:4700:3030::6815:1c3f2026-06-24 → 2026-08-02 · 3 obs
○ 2026-06-08 16:42:38
● 2026-06-24 04:49:32
● 2026-08-02 18:22:50
○A2606:4700:3031::ac43:aa682026-03-25 → 2026-06-08 · 5 obs
○ 2017-03-28 16:15:32
● 2026-03-25 14:59:52
● 2026-06-08 16:42:38
○ 2026-06-24 04:49:32
○ 2026-08-02 18:22:50
●A2606:4700:3032::ac43:aa682026-06-24 → 2026-08-02 · 3 obs
○ 2026-06-08 16:42:38
● 2026-06-24 04:49:32
● 2026-08-02 18:22:50
○A2606:4700:3037::6815:1c3f2026-03-25 → 2026-06-08 · 5 obs
○ 2017-03-28 16:15:32
● 2026-03-25 14:59:52
● 2026-06-08 16:42:38
○ 2026-06-24 04:49:32
○ 2026-08-02 18:22:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info-
it-knowledge.infobill.ns.cloudflare.com, leah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.129

NS records: bill.ns.cloudflare.com, leah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it-knowledge.info (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.28.63, 172.67.170.104
AAAA22606:4700:3030::6815:1c3f, 2606:4700:3032::ac43:aa68
NS2bill.ns.cloudflare.com, leah.ns.cloudflare.com
MX1smtp.nelsonbaptista.me (pri: 100)
TXT1v=spf1 mx mx:smtp.nelsonbaptista.me a:re
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bill.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

it-knowledge.info directs to four IP numbers, which are 104.21.28.63, 172.67.170.104, 2606:4700:3030::6815:1c3f and 2606:4700:3032::ac43:aa68.

Two other host names, along with www.tiendakilroy.com.ar, mail.eatdessertfirst.ca and wyaoormajvjkr.top, also share IP numbers with it-knowledge.info.

Name Servers

it-knowledge.info uses two name servers for its delegation: bill.ns.cloudflare.com and leah.ns.cloudflare.com.

it-knowledge.info shares its NS records with other domains, for example assadi.co.il, mybaby.com.ua, ekonomi.kim and two others.

The name servers of it-knowledge.info overlap at least partially with those of other domains — among them ditelli.com, ciifrol.com, 3dbets.life and two more.

These name servers commonly appear alongside the name servers kai.ns.cloudflare.com and gracie.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname bill.ns.cloudflare.com directs to 108.162.193.74, 172.64.33.74 and 173.245.59.74 along with 3 other IP addresses.

Hostname leah.ns.cloudflare.com directs to 108.162.192.129, 172.64.32.129 and 173.245.58.129 along with 3 other IP addresses.

Mail Servers

The sole mail server for it-knowledge.info is smtp.nelsonbaptista.me.

Mail server setup for it-knowledge.info matches that of other domains, among them nelsonbaptista.me.