excel-tutorial.com - dns.ninja

excel-tutorial.com

DNSSEC⚠️ Not signed
A192.124.249.29🇺🇸 AS30148192.124.249.0/24 Sucuri, Inc.
PTRcloudproxy10029.sucuri.net
NSns1.o2switch.net ⭐
A109.234.160.5🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing
NSns2.o2switch.net
A109.234.161.5🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing
MXexcel-tutorial.com ⭐
A192.124.249.29🇺🇸 AS30148192.124.249.0/24 Sucuri, Inc.
PTRcloudproxy10029.sucuri.net
TXTv=spf1 +mx +a +ip4:109.234.164.133 ~all
TXTgoogle-site-verification=YCeX8C7KDq9R1KUR54wRQLh7LQAgnl_Km_iK04MSFes
SOAns1.o2switch.netsystemshl@o2switch.fr 2026-02-12 #2

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=1782639915

MX for

excel-tutorial.com

Same first word

excel-tutorial.com

DNS History

17 records (4 active, 13 former)

20162017201820192020202120222023202420252026NSns1.o2switch.netns2.o2switch.netns.mainnameserver.comns2.mainnameserver.comns33.domaincontrol.comns34.domaincontrol.comskip.ns.cloudflare.comvita.ns.cloudflare.comMXexcel-tutorial.commail.excel-tutorial.comA192.124.249.29104.18.56.237104.18.57.237184.168.221.392400:cb00:2048:1::6812:38ed2400:cb00:2048:1::6812:39ed79.170.40.4
○NSns.mainnameserver.com2015-07-04 → 2015-11-12 · 4 obs
● 2015-07-04 19:46:40
● 2015-11-12 13:13:04
○ 2016-02-24 10:42:20
○ 2026-06-28 10:00:42
●NSns1.o2switch.net2026-03-27 → 2026-06-28 · 3 obs
○ 2020-03-21 08:03:48
● 2026-03-27 09:44:08
● 2026-06-28 10:00:42
○NSns2.mainnameserver.com2015-07-04 → 2015-11-12 · 4 obs
● 2015-07-04 19:46:40
● 2015-11-12 13:13:04
○ 2016-02-24 10:42:20
○ 2026-06-28 10:00:42
●NSns2.o2switch.net2026-03-27 → 2026-06-28 · 3 obs
○ 2020-03-21 08:03:48
● 2026-03-27 09:44:08
● 2026-06-28 10:00:42
○NSns33.domaincontrol.com2020-03-21 → 2020-03-21 · 4 obs
○ 2017-01-28 06:17:26
● 2020-03-21 08:03:48
○ 2026-03-27 09:44:08
○ 2026-06-28 10:00:42
○NSns34.domaincontrol.com2020-03-21 → 2020-03-21 · 4 obs
○ 2017-01-28 06:17:26
● 2020-03-21 08:03:48
○ 2026-03-27 09:44:08
○ 2026-06-28 10:00:42
○NSskip.ns.cloudflare.com2016-02-24 → 2017-01-28 · 5 obs
○ 2015-11-12 13:13:04
● 2016-02-24 10:42:20
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
○NSvita.ns.cloudflare.com2016-02-24 → 2017-01-28 · 5 obs
○ 2015-11-12 13:13:04
● 2016-02-24 10:42:20
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
●MXexcel-tutorial.com2026-03-27 → 2026-06-28 · 3 obs
○ 2020-03-21 08:03:48
● 2026-03-27 09:44:08
● 2026-06-28 10:00:42
○MXmail.excel-tutorial.com2015-07-04 → 2017-01-28 · 4 obs
● 2015-07-04 19:46:40
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
○A104.18.56.2372016-02-24 → 2017-01-28 · 5 obs
○ 2015-11-12 13:13:04
● 2016-02-24 10:42:20
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
○A104.18.57.2372016-02-24 → 2017-01-28 · 5 obs
○ 2015-11-12 13:13:04
● 2016-02-24 10:42:20
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
○A184.168.221.392020-03-21 → 2020-03-21 · 4 obs
○ 2017-01-28 06:17:26
● 2020-03-21 08:03:48
○ 2026-03-27 09:44:08
○ 2026-06-28 10:00:42
●A192.124.249.292026-03-27 → 2026-06-28 · 3 obs
○ 2020-03-21 08:03:48
● 2026-03-27 09:44:08
● 2026-06-28 10:00:42
○A2400:cb00:2048:1::6812:38ed2017-01-28 → 2017-01-28 · 4 obs
○ 2016-02-24 10:42:20
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
○A2400:cb00:2048:1::6812:39ed2017-01-28 → 2017-01-28 · 4 obs
○ 2016-02-24 10:42:20
● 2017-01-28 06:17:26
○ 2020-03-21 08:03:48
○ 2026-06-28 10:00:42
○A79.170.40.42015-07-04 → 2015-11-12 · 4 obs
● 2015-07-04 19:46:40
● 2015-11-12 13:13:04
○ 2016-02-24 10:42:20
○ 2026-06-28 10:00:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
excel-tutorial.comns1.o2switch.net, ns2.o2switch.net-

✅ Authoritative Response

Server:109.234.161.5

NS records: ns1.o2switch.net, ns2.o2switch.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for excel-tutorial.com (unsigned zone)

⏱️ Timing

Total: 867ms | Queries: -

📄 Records

TypeCountSample Data
A1192.124.249.29
NS2ns1.o2switch.net, ns2.o2switch.net
MX1excel-tutorial.com (pri: 0)
TXT2v=spf1 +mx +a +ip4:109.234.164.133 ~all, google-site-verification=YCeX8C7KDq9R1KU
SOA1ns1.o2switch.net systemshl.o2switch.fr

Analysis

Mail Server Role

The MX record for excel-tutorial.com points back to excel-tutorial.com — it is its own mail server.

IP Addresses

excel-tutorial.com directs to one IP number, which is 192.124.249.29.

Among the host names that share IP numbers with excel-tutorial.com are hpalumni.org, lo3capital.com, makedox.mk and two others.

Name Servers

DNS delegation for excel-tutorial.com points to two name servers: ns1.o2switch.net and ns2.o2switch.net.

excel-tutorial.com has the same name server delegation as a number of other domains, such as halaltest.fr, mpcorporation.fr, sjmv.net and two more.

ns1.o2switch.net → 109.234.160.5 and ns2.o2switch.net → 109.234.161.5: one IP number per host name.

Mail Servers

The MX record for excel-tutorial.com points to a single mail server: excel-tutorial.com.

excel-tutorial.com has exactly one IP number: 192.124.249.29.