`math-universe.com`

DNSSEC	⚠️ Not signed
A	109.234.160.82^{🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing}
		PTR	`109-234-160-82.reverse.odns.fr`
NS	`ns1.o2switch.net` ⭐
		A	109.234.160.5^{🇫🇷 O2SWITCH109.234.160.0/24 o2switch Internet Routing}
			PTR	`ns1.o2switch.net`
NS	`ns2.o2switch.net`
		A	109.234.161.5^{🇫🇷 O2SWITCH109.234.161.0/24 o2switch Internet Routing}
			PTR	`ns2.o2switch.net`
MX	`mail.math-universe.com` ⭐
		A	109.234.166.30^{🇫🇷 O2SWITCH109.234.164.0/22}
			PTR	`109-234-166-30.reverse.odns.fr`
TXT	`v=spf1 ip4:109.234.166.30 +a +mx +include:spf.jabatus.fr ~all`
SOA	`ns1.o2switch.net`sysadmin@o2switch.fr 2026-01-16 #1

`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=1778835846

Same first word

math-universe.com

DNS History

7 records (4 active, 3 former)

○NSns0.online.net2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 07:54:30
○ 2026-02-17 08:00:54
○ 2026-05-15 09:06:20

●NSns1.o2switch.net2026-02-17 → 2026-05-15 · 3 obs

○ 2017-08-13 07:54:30
● 2026-02-17 08:00:54
● 2026-05-15 09:06:20

○NSns1.online.net2017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 07:54:30
○ 2026-02-17 08:00:54
○ 2026-05-15 09:06:20

●NSns2.o2switch.net2026-02-17 → 2026-05-15 · 3 obs

○ 2017-08-13 07:54:30
● 2026-02-17 08:00:54
● 2026-05-15 09:06:20

●MXmail.math-universe.com2026-02-17 → 2026-05-15 · 5 obs

● 2026-02-17 08:00:54
● 2026-03-24 20:03:56
○ 2026-04-04 23:10:18
● 2026-04-26 18:00:22
● 2026-05-15 09:06:20

●A109.234.160.822026-02-17 → 2026-05-15 · 6 obs

○ 2017-08-13 07:54:30
● 2026-02-17 08:00:54
● 2026-03-24 20:03:56
○ 2026-04-04 23:10:18
● 2026-04-26 18:00:22
● 2026-05-15 09:06:20

○A163.172.97.692017-08-13 → 2017-08-13 · 3 obs

● 2017-08-13 07:54:30
○ 2026-02-17 08:00:54
○ 2026-05-15 09:06:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
math-universe.com	ns1.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 math-universe.com (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.234.160.82`
NS	2	`ns1.o2switch.net, ns2.o2switch.net`
MX	1	`mail.math-universe.com (pri: 0)`
TXT	1	`v=spf1 ip4:109.234.166.30 +a +mx +includ`
SOA	1	`ns1.o2switch.net sysadmin.o2switch.fr`

Analysis

IP Addresses

math-universe.com points to a single IP number: 109.234.160.82.

Other host names, for instance proces.fr, hotelalpin.fr, bladitour.fr, donnart.fr and (0x65726f746963)-shopping.fr share IP numbers with math-universe.com.

Name Servers

Delegation for math-universe.com rests with two name servers, ns1.o2switch.net and ns2.o2switch.net.

math-universe.com shares the same name server setup as other domains, including addufu.org, le-spa-gonflable.fr, yourfinancebp.fr, ffsimulateur2.fr and aromae.fr.

Host names with one IP number: ns1.o2switch.net points to 109.234.160.5; ns2.o2switch.net points to 109.234.161.5.

Mail Servers

math-universe.com is handled by a single mail server, mail.math-universe.com.

mail.math-universe.com points to a single IP: 109.234.166.30.

math-universe.com - robtex.com