underscore.world - dns.ninja

underscore.world

DNSSEC⚠️ Not signed
A2605:6400:20:eba::100πŸ‡ΊπŸ‡Έ FRANTECH2605:6400:20::/48
PTRunderscore.world
A209.141.48.142πŸ‡ΊπŸ‡Έ FRANTECH209.141.32.0/19 Frantech Solutions
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098πŸ‡©πŸ‡ͺ Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98πŸ‡©πŸ‡ͺ Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5πŸ‡©πŸ‡ͺ NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5πŸ‡©πŸ‡ͺ NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992πŸ‡©πŸ‡ͺ Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192πŸ‡©πŸ‡ͺ Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXunderscore.world ⭐
A2605:6400:20:eba::100πŸ‡ΊπŸ‡Έ FRANTECH2605:6400:20::/48
PTRunderscore.world
A209.141.48.142πŸ‡ΊπŸ‡Έ FRANTECH209.141.32.0/19 Frantech Solutions
PTRunderscore.world
TXTv=spf1 +a +mx -all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-07-15 #17

world

DNSSECπŸ”’ Signed (DS record present)
NSv0n0.nic.world ⭐
NSv0n1.nic.world
NSv0n2.nic.world
NSv0n3.nic.world
NSv2n0.nic.world
NSv2n1.nic.world
SOAv0n0.nic.worldhostmaster@donuts.email serial=1784990362

PTR for

MX for

Same first word

Similar names

DNS History

8 records (6 active, 2 former)

202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comdns1.registrar-servers.comdns2.registrar-servers.comMXunderscore.worldA209.141.48.1422605:6400:20:eba::100
β—‹NSdns1.registrar-servers.com2020-03-18 β†’ 2020-03-18 Β· 3 obs
● 2020-03-18 03:59:16
β—‹ 2026-03-06 11:27:24
β—‹ 2026-07-25 15:08:58
β—‹NSdns2.registrar-servers.com2020-03-18 β†’ 2020-03-18 Β· 3 obs
● 2020-03-18 03:59:16
β—‹ 2026-03-06 11:27:24
β—‹ 2026-07-25 15:08:58
●NShelium.ns.hetzner.de2026-03-06 β†’ 2026-07-25 Β· 3 obs
β—‹ 2020-03-18 03:59:16
● 2026-03-06 11:27:24
● 2026-07-25 15:08:58
●NShydrogen.ns.hetzner.com2026-03-06 β†’ 2026-07-25 Β· 3 obs
β—‹ 2020-03-18 03:59:16
● 2026-03-06 11:27:24
● 2026-07-25 15:08:58
●NSoxygen.ns.hetzner.com2026-03-06 β†’ 2026-07-25 Β· 3 obs
β—‹ 2020-03-18 03:59:16
● 2026-03-06 11:27:24
● 2026-07-25 15:08:58
●MXunderscore.world2020-03-18 β†’ 2026-07-25 Β· 2 obs
● 2020-03-18 03:59:16
● 2026-07-25 15:08:58
●A209.141.48.1422020-03-18 β†’ 2026-07-25 Β· 2 obs
● 2020-03-18 03:59:16
● 2026-07-25 15:08:58
●A2605:6400:20:eba::1002020-03-18 β†’ 2026-07-25 Β· 2 obs
● 2020-03-18 03:59:16
● 2026-07-25 15:08:58

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
worldv0n0.nic.world, v0n1.nic.world, v0n2.nic.world, v0n3.nic.world...-
underscore.worldhelium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com-

βœ… Authoritative Response

Server:193.47.99.5

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underscore.world (unsigned zone)

⏱️ Timing

Total: 1150ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1209.141.48.142
AAAA12605:6400:20:eba::100
NS3hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...
MX1underscore.world (pri: 1)
TXT1v=spf1 +a +mx -all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Mail Server Role

underscore.world is listed as a mail server for itself.

IP Addresses

underscore.world has two IP addresses: 209.141.48.142 and 2605:6400:20:eba::100

Name Servers

underscore.world has three name servers β€” hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

There is at least partial name server overlap between underscore.world and other domains β€” krier-information.de, small.at, aachener-brauhaus.de and two more among them.

These name servers are routinely deployed together with the name servers ns1.first-ns.de.

Each of hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de points to two IP numbers. hydrogen.ns.hetzner.com points to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com points to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de points to 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

Mail for underscore.world is handled by one mail server β€” underscore.world.

underscore.world carries two IP numbers: 209.141.48.142 and 2605:6400:20:eba::100.