efficient.ch - dns.ninja

efficient.ch

DNSSECπŸ”’ Signed (DS record present)
A2600:9000:a608:76e1:dbd:84dd:75bb:2f51πŸ‡ΊπŸ‡Έ Amazon2600:9000:a600::/43
PTRae5f041f8efad4460.dualstack.awsglobalaccelerator.com
A76.223.112.36πŸ‡ΊπŸ‡Έ Amazon76.223.112.0/20
NSa.gpk.eu ⭐
A2a05:d014:a67:a290::aπŸ‡©πŸ‡ͺ Amazon2a05:d014:800::/38 AMAZON AWS
PTRa.gpk.eu
A3.65.43.32πŸ‡©πŸ‡ͺ Amazon3.64.0.0/12 EC2 FRA Prefix
PTRa.gpk.eu
NSb.gpk.eu
A2a03:b0c0:2:d0::e8c:8001πŸ‡³πŸ‡± DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean
PTRb.gpk.eu
A167.71.72.66πŸ‡³πŸ‡± DIGITALOCEAN167.71.64.0/20 DigitalOcean
PTRb.gpk.eu
NSc.gpk.eu
A2a00:da00:f203:400::1πŸ‡¬πŸ‡§ IONOS-AS2a00:da00:f200::/39 IONOS SE vl5.wdr.gb
PTRc.gpk.eu
A82.165.4.5πŸ‡©πŸ‡ͺ IONOS-AS82.165.4.0/22 ionos-cloud vl5.wdr.gb
PTRc.gpk.eu
TXTv=spf1 -all
SOAa.gpk.eudnsmaster4@gpark.eu 2026-06-01 #2

ch

DNSSECπŸ”’ Signed (DS record present)
NSa.nic.ch ⭐
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-06-12 #47

Subdomains

Same first word

Similar names

DNS History

18 records (5 active, 13 former)

20162017201820192020202120222023202420252026NSa.gpk.eub.gpk.euc.gpk.euns1.cybernetwork.chns1.freewha.comns2.cybernetwork.chns2.freewha.comweb1.cybernetwork.chMX.alt1.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.commail.efficient.chA2600:9000:a608:76e1:dbd:84dd:75bb:2f5176.223.112.36173.208.215.1082600:9000:a608:76e1:40b:6cc5:1af9:c3f575.2.126.67
●NSa.gpk.eu2026-03-14 β†’ 2026-06-12 Β· 3 obs
β—‹ 2017-03-29 05:59:04
● 2026-03-14 02:40:10
● 2026-06-12 22:10:24
●NSb.gpk.eu2026-03-14 β†’ 2026-06-12 Β· 3 obs
β—‹ 2017-03-29 05:59:04
● 2026-03-14 02:40:10
● 2026-06-12 22:10:24
●NSc.gpk.eu2026-03-14 β†’ 2026-06-12 Β· 3 obs
β—‹ 2017-03-29 05:59:04
● 2026-03-14 02:40:10
● 2026-06-12 22:10:24
β—‹NSns1.cybernetwork.ch2015-07-11 β†’ 2015-07-11 Β· 3 obs
● 2015-07-11 20:27:18
β—‹ 2015-11-25 11:02:12
β—‹ 2026-06-12 22:10:24
β—‹NSns1.freewha.com2017-03-29 β†’ 2017-03-29 Β· 4 obs
β—‹ 2015-11-25 11:02:12
● 2017-03-29 05:59:04
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹NSns2.cybernetwork.ch2015-07-11 β†’ 2015-07-11 Β· 3 obs
● 2015-07-11 20:27:18
β—‹ 2015-11-25 11:02:12
β—‹ 2026-06-12 22:10:24
β—‹NSns2.freewha.com2017-03-29 β†’ 2017-03-29 Β· 4 obs
β—‹ 2015-11-25 11:02:12
● 2017-03-29 05:59:04
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹NSweb1.cybernetwork.ch2015-07-11 β†’ 2015-07-11 Β· 3 obs
● 2015-07-11 20:27:18
β—‹ 2015-11-25 11:02:12
β—‹ 2026-06-12 22:10:24
β—‹MX.2026-03-14 β†’ 2026-06-12 Β· 2 obs
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹MXalt1.aspmx.l.google.com2017-03-29 β†’ 2017-03-29 Β· 4 obs
β—‹ 2015-11-25 11:02:12
● 2017-03-29 05:59:04
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹MXaspmx.l.google.com2017-03-29 β†’ 2017-03-29 Β· 4 obs
β—‹ 2015-11-25 11:02:12
● 2017-03-29 05:59:04
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹MXaspmx2.googlemail.com2017-03-29 β†’ 2017-03-29 Β· 4 obs
β—‹ 2015-11-25 11:02:12
● 2017-03-29 05:59:04
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹MXmail.efficient.ch2015-07-11 β†’ 2015-07-11 Β· 3 obs
● 2015-07-11 20:27:18
β—‹ 2015-11-25 11:02:12
β—‹ 2026-06-12 22:10:24
β—‹A173.208.215.1082017-03-29 β†’ 2017-03-29 Β· 3 obs
● 2017-03-29 05:59:04
β—‹ 2026-03-14 02:40:10
β—‹ 2026-06-12 22:10:24
β—‹A2600:9000:a608:76e1:40b:6cc5:1af9:c3f52026-03-14 β†’ 2026-04-22 Β· 5 obs
β—‹ 2017-03-29 05:59:04
● 2026-03-14 02:40:10
● 2026-04-22 08:32:10
β—‹ 2026-05-13 00:55:10
β—‹ 2026-06-12 22:10:24
●A2600:9000:a608:76e1:dbd:84dd:75bb:2f512026-05-13 β†’ 2026-06-12 Β· 3 obs
β—‹ 2026-04-22 08:32:10
● 2026-05-13 00:55:10
● 2026-06-12 22:10:24
β—‹A75.2.126.672026-03-14 β†’ 2026-04-22 Β· 5 obs
β—‹ 2017-03-29 05:59:04
● 2026-03-14 02:40:10
● 2026-04-22 08:32:10
β—‹ 2026-05-13 00:55:10
β—‹ 2026-06-12 22:10:24
●A76.223.112.362026-05-13 β†’ 2026-06-12 Β· 3 obs
β—‹ 2026-04-22 08:32:10
● 2026-05-13 00:55:10
● 2026-06-12 22:10:24

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cha.nic.ch, d.nic.ch, f.nic.ch, b.nic.ch...-
efficient.cha.gpk.eu, c.gpk.eu, b.gpk.eu-

βœ… Authoritative Response

Server:82.165.4.5

NS records: a.gpk.eu, c.gpk.eu, b.gpk.eu

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2086ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A176.223.112.36
AAAA12600:9000:a608:76e1:dbd:84dd:75bb:2f51
NS3c.gpk.eu, a.gpk.eu...
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1a.gpk.eu dnsmaster4.gpark.eu

Analysis

Hierarchy

mail.efficient.ch is delegated beneath efficient.ch.

IP Addresses

efficient.ch points to two IP numbers: 76.223.112.36 and 2600:9000:a608:76e1:dbd:84dd:75bb:2f51.

Two other host names, along with biva.eu, dreamworks.eu and spov.eu, also share IP numbers with efficient.ch.

Name Servers

Three name servers are authoritative for efficient.ch: a.gpk.eu, b.gpk.eu and c.gpk.eu.

There is at least partial name server overlap between efficient.ch and other domains β€” sumar.eu, valetudo.ch, audiophile.eu and two more among them.

a.gpk.eu resolves to 3.65.43.32 and 2a05:d014:a67:a290::a. b.gpk.eu resolves to 167.71.72.66 and 2a03:b0c0:2:d0::e8c:8001. c.gpk.eu resolves to 82.165.4.5 and 2a00:da00:f203:400::1. All three hostnames point to two IP numbers each.