studersa.com - dns.ninja

studersa.com

DNSSECโš ๏ธ Not signed
A20.73.131.157๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft20.64.0.0/10
NSch.ch-inter.net โญ
A2a00:1128:1:1::136:136๐Ÿ‡จ๐Ÿ‡ญ ASN-METANET2a00:1128::/32 METANET AG, Switzerland IPv6 Allocation
PTRch.ch-inter.net
A80.74.136.136๐Ÿ‡จ๐Ÿ‡ญ ASN-METANET80.74.128.0/20 METANET AG, Switzerland
PTRch.ch-inter.net
NSde.ch-inter.net
A2a01:4f8:221:2982::2๐Ÿ‡ฉ๐Ÿ‡ช Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRde.ch-inter.net
A78.46.32.78๐Ÿ‡ฉ๐Ÿ‡ช Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRde.ch-inter.net
NSnl.ch-inter.net
A2001:1af8:4100:a012:1:0:66:135๐Ÿ‡ณ๐Ÿ‡ฑ LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb
PTRnl.ch-inter.net
A62.212.66.135๐Ÿ‡ณ๐Ÿ‡ฑ LEASEWEB-NL-AMS-0162.212.64.0/19 LEASEWEB
PTRnl.ch-inter.net
MXmx-cluster01-hz13.hornetsecurity.ch โญ
A94.100.143.100๐Ÿ‡ฉ๐Ÿ‡ช IP-Max94.100.143.0/24 Hornetsecurity via AS25091
PTRhsmx01-hz13.hornetsecurity.ch
MXmx-cluster02-hz13.hornetsecurity.ch(20)
A94.100.143.100๐Ÿ‡ฉ๐Ÿ‡ช IP-Max94.100.143.0/24 Hornetsecurity via AS25091
PTRhsmx01-hz13.hornetsecurity.ch
MXmx-cluster03-hz13.hornetsecurity.ch(30)
A94.100.143.100๐Ÿ‡ฉ๐Ÿ‡ช IP-Max94.100.143.0/24 Hornetsecurity via AS25091
PTRhsmx01-hz13.hornetsecurity.ch
MXmx-cluster04-hz13.hornetsecurity.ch(40)
A94.100.143.100๐Ÿ‡ฉ๐Ÿ‡ช IP-Max94.100.143.0/24 Hornetsecurity via AS25091
PTRhsmx01-hz13.hornetsecurity.ch
TXTMS=ms81938819
TXTgoogle-site-verification=8kJDPSAFSYnVaQM03Y8eccmLfsepQissu0chqGTkZlw
TXTknowbe4-site-verification=7d541f0be89a449170c1af8d3de5da9c
TXTv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com incl...
SOAch.ch-inter.nethostmaster@raptus.com 2026-05-11 #1

com

Same first word

Similar names

DNS History

15 records (8 active, 7 former)

20162017201820192020202120222023202420252026NSch.ch-inter.netde.ch-inter.netnl.ch-inter.netMXmx-cluster01-hz13.hornetsecurity.chmx-cluster02-hz13.hornetsecurity.chmx-cluster03-hz13.hornetsecurity.chmx-cluster04-hz13.hornetsecurity.chmx01.sui-inter.netmx02.sui-inter.netmx03.sui-inter.netmxfilter.sui-inter.netstudersa-com.mail.protection.outlook.comA20.73.131.15777.75.112.15177.75.112.254
โ—NSch.ch-inter.net2015-06-22 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-06-22 05:53:16
โ— 2026-07-04 23:33:06
โ—NSde.ch-inter.net2015-06-22 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-06-22 05:53:16
โ— 2026-07-04 23:33:06
โ—NSnl.ch-inter.net2015-06-22 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-06-22 05:53:16
โ— 2026-07-04 23:33:06
โ—MXmx-cluster01-hz13.hornetsecurity.ch2026-03-31 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2026-03-02 20:04:08
โ— 2026-03-31 00:35:02
โ— 2026-07-04 23:33:06
โ—MXmx-cluster02-hz13.hornetsecurity.ch2026-03-31 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2026-03-02 20:04:08
โ— 2026-03-31 00:35:02
โ— 2026-07-04 23:33:06
โ—MXmx-cluster03-hz13.hornetsecurity.ch2026-03-31 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2026-03-02 20:04:08
โ— 2026-03-31 00:35:02
โ— 2026-07-04 23:33:06
โ—MXmx-cluster04-hz13.hornetsecurity.ch2026-03-31 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2026-03-02 20:04:08
โ— 2026-03-31 00:35:02
โ— 2026-07-04 23:33:06
โ—‹MXmx01.sui-inter.net2016-04-03 โ†’ 2018-09-03 ยท 5 obs
โ—‹ 2016-01-04 17:14:30
โ— 2016-04-03 03:31:50
โ— 2018-09-03 10:51:18
โ—‹ 2026-02-17 20:49:12
โ—‹ 2026-07-04 23:33:06
โ—‹MXmx02.sui-inter.net2016-04-03 โ†’ 2018-09-03 ยท 5 obs
โ—‹ 2016-01-04 17:14:30
โ— 2016-04-03 03:31:50
โ— 2018-09-03 10:51:18
โ—‹ 2026-02-17 20:49:12
โ—‹ 2026-07-04 23:33:06
โ—‹MXmx03.sui-inter.net2016-04-03 โ†’ 2018-09-03 ยท 5 obs
โ—‹ 2016-01-04 17:14:30
โ— 2016-04-03 03:31:50
โ— 2018-09-03 10:51:18
โ—‹ 2026-02-17 20:49:12
โ—‹ 2026-07-04 23:33:06
โ—‹MXmxfilter.sui-inter.net2015-06-22 โ†’ 2016-01-04 ยท 4 obs
โ— 2015-06-22 05:53:16
โ— 2016-01-04 17:14:30
โ—‹ 2016-04-03 03:31:50
โ—‹ 2026-07-04 23:33:06
โ—‹MXstudersa-com.mail.protection.outlook.com2026-02-17 โ†’ 2026-03-02 ยท 5 obs
โ—‹ 2018-09-03 10:51:18
โ— 2026-02-17 20:49:12
โ— 2026-03-02 20:04:08
โ—‹ 2026-03-31 00:35:02
โ—‹ 2026-07-04 23:33:06
โ—A20.73.131.1572026-02-17 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2018-09-03 10:51:18
โ— 2026-02-17 20:49:12
โ— 2026-07-04 23:33:06
โ—‹A77.75.112.1512016-09-12 โ†’ 2018-09-03 ยท 5 obs
โ—‹ 2016-04-03 03:31:50
โ— 2016-09-12 13:05:20
โ— 2018-09-03 10:51:18
โ—‹ 2026-02-17 20:49:12
โ—‹ 2026-07-04 23:33:06
โ—‹A77.75.112.2542015-06-22 โ†’ 2016-04-03 ยท 4 obs
โ— 2015-06-22 05:53:16
โ— 2016-04-03 03:31:50
โ—‹ 2016-09-12 13:05:20
โ—‹ 2026-07-04 23:33:06

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studersa.comch.ch-inter.net, nl.ch-inter.net, de.ch-inter.net-

โœ… Authoritative Response

Server:78.46.32.78

NS records: ch.ch-inter.net, nl.ch-inter.net, de.ch-inter.net

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for studersa.com (unsigned zone)

โฑ๏ธ Timing

Total: 1192ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A120.73.131.157
NS3nl.ch-inter.net, ch.ch-inter.net...
MX4mx-cluster02-hz13.hornetsecurity.ch (pri, mx-cluster04-hz13.hornetsecurity.ch (pri...
TXT4knowbe4-site-verification=7d541f0be89a44, google-site-verification=8kJDPSAFSYnVaQM...
SOA1ch.ch-inter.net hostmaster.raptus.com

Analysis

IP Addresses

studersa.com resolves to just one IP address, 20.73.131.157.

Two other host names, along with voco.ch, notzgroup.com and mailbox.voco.ch, also share IP numbers with studersa.com.

Name Servers

studersa.com has three name servers โ€” ch.ch-inter.net, de.ch-inter.net and nl.ch-inter.net.

studersa.com has at least partial name server overlap with other domains, such as gialla.ch, digi-fest.ch, schweizer-kaesemarkt.de and two others.

These name servers tend to appear together with the name servers dns4.digicomp.ch, dn(0x736578)1.kanti-frauenfeld.ch and dn(0x736578)2.kanti-frauenfeld.ch.

Each of ch.ch-inter.net, de.ch-inter.net and nl.ch-inter.net points to two IP numbers. ch.ch-inter.net points to 80.74.136.136 and 2a00:1128:1:1::136:136. de.ch-inter.net points to 78.46.32.78 and 2a01:4f8:221:2982::2. nl.ch-inter.net points to 62.212.66.135 and 2001:1af8:4100:a012:1:0:66:135.

Mail Servers

Four mail servers handle email for studersa.com: mx-cluster01-hz13.hornetsecurity.ch, mx-cluster02-hz13.hornetsecurity.ch, mx-cluster03-hz13.hornetsecurity.ch and mx-cluster04-hz13.hornetsecurity.ch.

There is at least a partial MX overlap between studersa.com and other domains, including oneict.ch, goeast.ch, arcflow.net and two others.

Each of mx-cluster01-hz13.hornetsecurity.ch, mx-cluster02-hz13.hornetsecurity.ch, mx-cluster03-hz13.hornetsecurity.ch and mx-cluster04-hz13.hornetsecurity.ch points to one IP address โ€” 94.100.143.100.

These host names all point to 94.100.143.100: mx-cluster01-hz13.hornetsecurity.ch, mx-cluster02-hz13.hornetsecurity.ch, mx-cluster03-hz13.hornetsecurity.ch and mx-cluster04-hz13.hornetsecurity.ch.