`schoolupdate.com`

DNSSEC	⚠️ Not signed
A	85.13.133.246^{🇩🇪 NMM-AS85.13.133.0/24 Neue Medien Muennich}
		PTR	`dd35300.kasserver.com`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`schoolupdate-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms72418789`
TXT	`v=spf1 include:spf.protection.outlook.com mx ip4:81.94.49.240/28 a:mailserver...`
SOA	`ns1.first-ns.de`hostmaster@bitmedia.at 2026-03-11 #0

`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=1774669692

Same first word

schoolupdate.eu

schoolupdate.in

schoolupdate.com

Similar names

teacloudshop.com

hotelcaposud.it

hotelcaposud.com

DNS History

11 records (5 active, 6 former)

●NSns1.first-ns.de2018-12-09 → 2026-03-28 · 3 obs

○ 2017-02-09 18:52:42
● 2018-12-09 18:10:56
● 2026-03-28 04:16:06

○NSns31.domaincontrol.com2015-06-04 → 2017-02-09 · 4 obs

● 2015-06-04 17:25:40
● 2017-02-09 18:52:42
○ 2018-12-09 18:10:56
○ 2026-03-28 04:16:06

○NSns32.domaincontrol.com2015-06-04 → 2017-02-09 · 4 obs

● 2015-06-04 17:25:40
● 2017-02-09 18:52:42
○ 2018-12-09 18:10:56
○ 2026-03-28 04:16:06

●NSrobotns2.second-ns.de2018-12-09 → 2026-03-28 · 3 obs

○ 2017-02-09 18:52:42
● 2018-12-09 18:10:56
● 2026-03-28 04:16:06

●NSrobotns3.second-ns.com2018-12-09 → 2026-03-28 · 3 obs

○ 2017-02-09 18:52:42
● 2018-12-09 18:10:56
● 2026-03-28 04:16:06

○MXbitmedia-at.mail.protection.outlook.com2018-12-09 → 2018-12-09 · 4 obs

○ 2017-02-09 18:52:42
● 2018-12-09 18:10:56
○ 2026-02-17 02:14:04
○ 2026-03-28 04:16:06

○MXmailserver.wana.at2015-06-04 → 2017-02-09 · 4 obs

● 2015-06-04 17:25:40
● 2017-02-09 18:52:42
○ 2018-12-09 18:10:56
○ 2026-03-28 04:16:06

●MXschoolupdate-com.mail.protection.outlook.com2026-02-17 → 2026-03-28 · 3 obs

○ 2018-12-09 18:10:56
● 2026-02-17 02:14:04
● 2026-03-28 04:16:06

○A80.120.199.1142018-12-09 → 2018-12-09 · 4 obs

○ 2017-02-09 18:52:42
● 2018-12-09 18:10:56
○ 2026-02-17 02:14:04
○ 2026-03-28 04:16:06

○A81.94.49.2482015-06-04 → 2017-02-09 · 4 obs

● 2015-06-04 17:25:40
● 2017-02-09 18:52:42
○ 2018-12-09 18:10:56
○ 2026-03-28 04:16:06

●A85.13.133.2462026-02-17 → 2026-03-28 · 3 obs

○ 2018-12-09 18:10:56
● 2026-02-17 02:14:04
● 2026-03-28 04:16:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
schoolupdate.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server:193.47.99.3

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolupdate.com (unsigned zone)

⏱️ Timing

Total: 1010ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.133.246`
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
MX	1	`schoolupdate-com.mail.protection.outlook`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms72418789`
SOA	1	`ns1.first-ns.de hostmaster.bitmedia.at`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

IP Addresses

schoolupdate.com resolves to one IP number: 85.13.133.246.

other host names including malermeister-betrieb.at, w01e2024.kasserver.com, www.ums-grabpflege.at, w013f1e7.kasserver.com and mail.ums-grabpflege.at share IP numbers with schoolupdate.com.

Name Servers

schoolupdate.com is delegated to three name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

schoolupdate.com at least partially shares name servers with other domains, for instance edelstahl-krieger.at, rasch-design.com, livelabmedia.com, backmeroff.de and dsg.is.

Host names with two IP numbers:

robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3.

ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238.

robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.

Mail Servers

schoolupdate.com is handled by a single mail server, schoolupdate-com.mail.protection.outlook.com.

Host schoolupdate-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::8, 2a01:111:f403:ca09::20, 52.101.68.36, 52.101.68.39, 52.101.73.19 and 52.101.73.30.

schoolupdate.com - robtex.com