mathtutor.pro - dns.ninja

`mathtutor.pro`

DNSSEC	🔒 Signed (DS record present)
A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mx00.udag.de` ⭐
		A	62.146.106.39^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx00.udag.de`
MX	`mx01.udag.de`⁽²⁰⁾
		A	62.146.106.40^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx01.udag.de`
TXT	`v=spf1 include:_smtp.udag.de ~all`
SOA	`ns.udag.de`hostmaster@united-domains.de 2024-09-01 #61

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1780949241

Same first word

mathtutor.education

mathtutor.biz

mathtutor.eu

mathtutor.com

mathtutor.co

mathtutor.ca

mathtutor.tv

mathtutor.pro

mathtutor.ac.uk

Similar names

tutormath.com

mattrouth.com

trmahutto.com

DNS History

12 records (6 active, 6 former)

●NSns.udag.de2026-04-06 → 2026-06-08 · 3 obs

○ 2016-05-11 02:27:40
● 2026-04-06 05:52:26
● 2026-06-08 20:42:42

●NSns.udag.net2026-04-06 → 2026-06-08 · 3 obs

○ 2016-05-11 02:27:40
● 2026-04-06 05:52:26
● 2026-06-08 20:42:42

●NSns.udag.org2026-04-06 → 2026-06-08 · 3 obs

○ 2016-05-11 02:27:40
● 2026-04-06 05:52:26
● 2026-06-08 20:42:42

○NSns1.perfectaddress.com2015-07-05 → 2016-05-11 · 4 obs

● 2015-07-05 19:43:06
● 2016-05-11 02:27:40
○ 2026-04-06 05:52:26
○ 2026-06-08 20:42:42

○NSns2.perfectaddress.com2015-07-05 → 2016-05-11 · 4 obs

● 2015-07-05 19:43:06
● 2016-05-11 02:27:40
○ 2026-04-06 05:52:26
○ 2026-06-08 20:42:42

○NSns3.perfectaddress.com2015-07-05 → 2016-05-11 · 4 obs

● 2015-07-05 19:43:06
● 2016-05-11 02:27:40
○ 2026-04-06 05:52:26
○ 2026-06-08 20:42:42

○NSns4.perfectaddress.com2015-07-05 → 2016-05-11 · 4 obs

● 2015-07-05 19:43:06
● 2016-05-11 02:27:40
○ 2026-04-06 05:52:26
○ 2026-06-08 20:42:42

○MXmx.imail123.com2015-07-05 → 2016-05-11 · 4 obs

● 2015-07-05 19:43:06
● 2016-05-11 02:27:40
○ 2026-04-06 05:52:26
○ 2026-06-08 20:42:42

●MXmx00.udag.de2026-04-06 → 2026-06-08 · 3 obs

○ 2016-05-11 02:27:40
● 2026-04-06 05:52:26
● 2026-06-08 20:42:42

●MXmx01.udag.de2026-04-06 → 2026-06-08 · 3 obs

○ 2016-05-11 02:27:40
● 2026-04-06 05:52:26
● 2026-06-08 20:42:42

○A176.9.68.662015-07-05 → 2016-05-11 · 4 obs

● 2015-07-05 19:43:06
● 2016-05-11 02:27:40
○ 2026-04-06 05:52:26
○ 2026-06-08 20:42:42

●A89.31.143.902026-04-06 → 2026-06-08 · 3 obs

○ 2016-05-11 02:27:40
● 2026-04-06 05:52:26
● 2026-06-08 20:42:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	d0.pro.afilias-nst.org, a0.pro.afilias-nst.info, b2.pro.afilias-nst.org, a2.pro.afilias-nst.info...	-
mathtutor.pro	ns.udag.de, ns.udag.net, ns.udag.org	-

✅ Authoritative Response

Server:217.160.80.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 775ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`
NS	3	`ns.udag.net, ns.udag.org...`
MX	2	`mx00.udag.de (pri: 10), mx01.udag.de (pri: 20)`
TXT	1	`v=spf1 include:_smtp.udag.de ~all`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

Analysis

IP Addresses

mathtutor.pro resolves to just one IP address, 89.31.143.90.

Two other host names, along with kp-taxandlaw.net, my-apart.com and mail.sportsofa.de, also share IP numbers with mathtutor.pro.

Name Servers

mathtutor.pro is served by three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

mathtutor.pro shares at least some of its name servers with other domains, including vorsorgeeinrichtung.info, ksm-service.eu, imago-mundi.de and two others.

The hostnames ns.udag.de, ns.udag.net and ns.udag.org each direct to two IP addresses — ns.udag.de to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

mathtutor.pro is served by two mail servers, mx00.udag.de and mx01.udag.de.

Among the domains sharing a mail server setup with mathtutor.pro are terrapicture.de, turkishfruit.com, medicalstock.de and two others.

mx00.udag.de and mx01.udag.de each resolve to one IP number: mx00.udag.de points to 62.146.106.39 and mx01.udag.de points to 62.146.106.40.