tandem-schools.com - robtex.com

tandem-schools.com

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:129d::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww314.your-server.de
A88.198.176.139🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXwww314.your-server.de ⭐
A2a01:4f8:d0a:129d::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww314.your-server.de
A88.198.176.139🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRwww314.your-server.de
TXTv=spf1 a mx -all
SOAns1.your-server.depostmaster@your-server.de 2026-03-25 #0

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=1777152746
WOT: SAFE (60/100)

Previously MX for

tandem-schools.com

Subdomains

www.tandem-schools.com

Same first word

tandem-schools.com

DNS History

22 records (6 active, 16 former)

200920112013201520172019202120232025NSns.second-ns.comns1.your-server.dens3.second-ns.dedns.typo3server.comns1.tandem-international.comns2.tandem-international.comns2.typo3server.comns21.domaincontrol.comns22.domaincontrol.comns3.dnsmittwald.deMXwww314.your-server.demx1.agenturserver.demx2.agenturserver.demx3.agenturserver.demx4.agenturserver.demx51.mymxserver.comnx51.mymxserver.comtandem-schools.comA2a01:4f8:d0a:129d::288.198.176.139178.16.56.21474.54.132.2
○NSdns.typo3server.com2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
●NSns.second-ns.com2026-03-05 → 2026-04-25 · 3 obs
○ 2017-01-11 04:16:06
● 2026-03-05 07:18:36
● 2026-04-25 21:36:38
○NSns1.tandem-international.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 16:03:30
○ 2015-06-08 11:40:24
○ 2026-04-25 21:36:38
●NSns1.your-server.de2026-03-05 → 2026-04-25 · 3 obs
○ 2017-01-11 04:16:06
● 2026-03-05 07:18:36
● 2026-04-25 21:36:38
○NSns2.tandem-international.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 16:03:30
○ 2015-06-08 11:40:24
○ 2026-04-25 21:36:38
○NSns2.typo3server.com2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
○NSns21.domaincontrol.com2015-06-08 → 2015-06-08 · 4 obs
○ 2008-03-20 16:03:30
● 2015-06-08 11:40:24
○ 2015-11-03 15:23:50
○ 2026-04-25 21:36:38
○NSns22.domaincontrol.com2015-06-08 → 2015-06-08 · 4 obs
○ 2008-03-20 16:03:30
● 2015-06-08 11:40:24
○ 2015-11-03 15:23:50
○ 2026-04-25 21:36:38
○NSns3.dnsmittwald.de2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
●NSns3.second-ns.de2026-03-05 → 2026-04-25 · 3 obs
○ 2017-01-11 04:16:06
● 2026-03-05 07:18:36
● 2026-04-25 21:36:38
○MXmx1.agenturserver.de2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
○MXmx2.agenturserver.de2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
○MXmx3.agenturserver.de2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
○MXmx4.agenturserver.de2015-11-03 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-11-03 15:23:50
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
○MXmx51.mymxserver.com2015-06-08 → 2015-06-08 · 4 obs
○ 2008-03-20 16:03:30
● 2015-06-08 11:40:24
○ 2015-11-03 15:23:50
○ 2026-04-25 21:36:38
○MXnx51.mymxserver.com2015-06-08 → 2015-06-08 · 4 obs
○ 2008-03-20 16:03:30
● 2015-06-08 11:40:24
○ 2015-11-03 15:23:50
○ 2026-04-25 21:36:38
○MXtandem-schools.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 16:03:30
○ 2015-06-08 11:40:24
○ 2026-04-25 21:36:38
●MXwww314.your-server.de2026-03-05 → 2026-04-25 · 3 obs
○ 2017-01-11 04:16:06
● 2026-03-05 07:18:36
● 2026-04-25 21:36:38
○A178.16.56.2142015-06-08 → 2017-01-11 · 5 obs
○ 2008-03-20 16:03:30
● 2015-06-08 11:40:24
● 2017-01-11 04:16:06
○ 2026-03-05 07:18:36
○ 2026-04-25 21:36:38
●A2a01:4f8:d0a:129d::22026-03-05 → 2026-04-25 · 3 obs
○ 2017-01-11 04:16:06
● 2026-03-05 07:18:36
● 2026-04-25 21:36:38
○A74.54.132.22008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 16:03:30
○ 2015-06-08 11:40:24
○ 2026-04-25 21:36:38
●A88.198.176.1392026-03-05 → 2026-04-25 · 3 obs
○ 2017-01-11 04:16:06
● 2026-03-05 07:18:36
● 2026-04-25 21:36:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tandem-schools.comns1.your-server.de, ns.second-ns.com, ns3.second-ns.de2 records

✅ Authoritative Response

Server:213.133.100.102

NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tandem-schools.com (unsigned zone)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

TypeCountSample Data
A188.198.176.139
AAAA12a01:4f8:d0a:129d::2
NS3ns.second-ns.com, ns1.your-server.de...
MX1www314.your-server.de (pri: 10)
TXT1v=spf1 a mx -all
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

www.tandem-schools.com has tandem-schools.com as its parent.

IP Addresses

tandem-schools.com points to two IPs: 2a01:4f8:d0a:129d::2 and 88.198.176.139.

Other host names, for instance mail.jahdolf.com, c-arena.com, projektpro.eu, we-are-energy.de and analytics.aul-hamburg.de share IP numbers with tandem-schools.com.

Name Servers

tandem-schools.com is delegated to name servers ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

tandem-schools.com at least partially shares name servers with other domains such as feuerwehr-inden.de, balci.de, damrau.name, 22.109.65.clients.your-server.de and led-solution-systems.de.

Host names with two IP numbers:

ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242.

ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4.

ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.

Mail Servers

tandem-schools.com is handled by a single mail server, www314.your-server.de.

tandem-schools.com shares the same mail server setup as other domains, including podoroj.com.ua, stutenglueck.de, redesa.de, realist.digital and gruthoff.de.

tandem-schools.com shares some mail servers with other domains, at least partially, for instance grem.capital.

Host name www314.your-server.de points to IPs 2a01:4f8:d0a:129d::2 and 88.198.176.139.