sofia.education - dns.ninja

`sofia.education`

DNSSEC	⚠️ Not signed
A	109.234.162.39^{🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing}
		PTR	`109-234-162-39.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	`sofia.education` ⭐
		A	109.234.162.39^{🇫🇷 O2SWITCH109.234.162.0/24 o2switch Internet Routing}
			PTR	`109-234-162-39.reverse.odns.fr`
TXT	`v=spf1 ip4:109.234.162.39 +a +mx +include:spf.jabatus.fr ~all`
SOA	`ns1.o2switch.net`systemshl@o2switch.fr 2026-04-01 #3

`education`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.education` ⭐
	NS	`v0n1.nic.education`
	NS	`v0n2.nic.education`
	NS	`v0n3.nic.education`
	NS	`v2n0.nic.education`
	NS	`v2n1.nic.education`
	SOA	`v0n0.nic.education`hostmaster@donuts.email serial=1784382602

MX for

sofia.education

Same first word

sofia.be

sofia.org.br

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DNS History

9 records (4 active, 5 former)

●NSns1.o2switch.net2026-02-20 → 2026-07-18 · 8 obs

○ 2016-12-10 22:38:56
● 2026-02-20 16:04:32
○ 2026-03-05 19:48:56
● 2026-03-25 18:56:32
● 2026-05-20 02:01:56
○ 2026-05-24 19:43:12
● 2026-07-11 07:02:20
● 2026-07-18 14:15:06

●NSns2.o2switch.net2026-02-20 → 2026-07-18 · 8 obs

○ 2016-12-10 22:38:56
● 2026-02-20 16:04:32
○ 2026-03-05 19:48:56
● 2026-03-25 18:56:32
● 2026-05-20 02:01:56
○ 2026-05-24 19:43:12
● 2026-07-11 07:02:20
● 2026-07-18 14:15:06

○NSns47.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:38:56
○ 2026-02-20 16:04:32
○ 2026-07-18 14:15:06

○NSns48.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:38:56
○ 2026-02-20 16:04:32
○ 2026-07-18 14:15:06

○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:38:56
○ 2026-02-20 16:04:32
○ 2026-07-18 14:15:06

○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:38:56
○ 2026-02-20 16:04:32
○ 2026-07-18 14:15:06

●MXsofia.education2026-02-20 → 2026-07-18 · 10 obs

○ 2016-12-10 22:38:56
● 2026-02-20 16:04:32
○ 2026-03-05 19:48:56
● 2026-03-25 18:56:32
○ 2026-03-27 17:07:22
● 2026-04-10 22:46:30
● 2026-05-20 02:01:56
○ 2026-05-24 19:43:12
● 2026-07-11 07:02:20
● 2026-07-18 14:15:06

●A109.234.162.392026-02-20 → 2026-07-18 · 10 obs

○A184.168.221.302016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 22:38:56
○ 2026-02-20 16:04:32
○ 2026-07-18 14:15:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
education	v0n0.nic.education, v0n1.nic.education, v0n2.nic.education, v0n3.nic.education...	12 records
sofia.education	ns2.o2switch.net, ns1.o2switch.net	-

✅ Authoritative Response

Server:109.234.161.5

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sofia.education (unsigned zone)

⏱️ Timing

Total: 881ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.234.162.39`
NS	2	`ns1.o2switch.net, ns2.o2switch.net`
MX	1	`sofia.education (pri: 0)`
TXT	1	`v=spf1 ip4:109.234.162.39 +a +mx +includ`
SOA	1	`ns1.o2switch.net systemshl.o2switch.fr`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.education, v0n1.nic.education, v0n2.nic.education...)

Analysis

Mail Server Role

sofia.education is listed as a mail server for itself.

IP Addresses

sofia.education resolves to one IP address: 109.234.162.39.

carte.o2switch.net, mail.didasco.org, dayne.fr and two other host names share IP numbers with sofia.education.

Name Servers

sofia.education is served by two delegated name servers, ns1.o2switch.net and ns2.o2switch.net.

sofia.education uses the same name servers as several other domains — among them aenariaproduction.com, sarl-snt.com, iglo.fr and two more.

ns1.o2switch.net and ns2.o2switch.net each resolve to one IP number: ns1.o2switch.net points to 109.234.160.5 and ns2.o2switch.net points to 109.234.161.5.

Mail Servers

Mail for sofia.education is handled by one mail server — sofia.education.

There is one IP number for sofia.education: 109.234.162.39.