twodo.nl - robtex.com

twodo.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:c407🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:151e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.21.30Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.7🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgrace.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
A2803:f800:50::6ca2:c09f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgrace.ns.cloudflare.com
A2a06:98c1:50::ac40:209f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgrace.ns.cloudflare.com
A108.162.192.159🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
A172.64.32.159🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
A173.245.58.159🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
NSvern.ns.cloudflare.com
A2606:4700:58::adf5:3bf3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A2803:f800:50::6ca2:c1f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvern.ns.cloudflare.com
A2a06:98c1:50::ac40:21f3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvern.ns.cloudflare.com
A108.162.193.243🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A172.64.33.243🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A173.245.59.243🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
MXsmtp.rzone.de ⭐
A2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtp.rzone.de
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.21.30, 172.67.196.7
IPv62606:4700:3030::ac43:c407, 2606:4700:3036::6815:151e
SOAgrace.ns.cloudflare.comdns@cloudflare.com serial=2395786087

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-03-24 22:00:02 +0000 (EPOCH 1774389602)
SOAns1.dns.nldns@sidn.nl 2026-03-24 #44

Subdomains

mail.twodo.nl

Same first word

twodo.com
twodo.jp
twodo.net
twodo.cz
twodo.eu
twodo.com.cn
twodo.ch
twodo.life
twodo.nl
twodo.ru

Similar names

twood.ir
twood.ru
wdtoo.com
dotwo.net
dotow.com
dowot.com
todow.com
dotwo.com
twood.cz
wootd.com
woodt.it
twood.co
towdo.com
twood.co.uk
dwoto.com
ootwd.com
owdot.com
otwod.com
twood.net
twood.eu
wtodo.com
dootw.com
tdoow.com
wodot.com

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSgrace.ns.cloudflare.comvern.ns.cloudflare.comnszero1.axc.nlnszero2.axc.nlMXsmtp.rzone.defallback.axc.nlmail.twodo.nlA104.21.21.30172.67.196.72606:4700:3030::ac43:c4072606:4700:3036::6815:151e149.210.134.141
●NSgrace.ns.cloudflare.com2026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40
○NSnszero1.axc.nl2015-07-24 → 2016-03-12 · 4 obs
● 2015-07-24 22:04:24
● 2016-03-12 05:24:04
○ 2016-07-19 16:46:10
○ 2026-03-24 22:48:40
○NSnszero2.axc.nl2015-07-24 → 2016-03-12 · 4 obs
● 2015-07-24 22:04:24
● 2016-03-12 05:24:04
○ 2016-07-19 16:46:10
○ 2026-03-24 22:48:40
●NSvern.ns.cloudflare.com2026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40
○MXfallback.axc.nl2015-07-24 → 2016-03-12 · 4 obs
● 2015-07-24 22:04:24
● 2016-03-12 05:24:04
○ 2016-07-19 16:46:10
○ 2026-03-24 22:48:40
○MXmail.twodo.nl2015-07-24 → 2016-03-12 · 4 obs
● 2015-07-24 22:04:24
● 2016-03-12 05:24:04
○ 2016-07-19 16:46:10
○ 2026-03-24 22:48:40
●MXsmtp.rzone.de2026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40
●A104.21.21.302026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40
○A149.210.134.1412015-07-24 → 2016-03-12 · 4 obs
● 2015-07-24 22:04:24
● 2016-03-12 05:24:04
○ 2016-07-19 16:46:10
○ 2026-03-24 22:48:40
●A172.67.196.72026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40
●A2606:4700:3030::ac43:c4072026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40
●A2606:4700:3036::6815:151e2026-03-23 → 2026-03-24 · 3 obs
○ 2016-07-19 16:46:10
● 2026-03-23 14:52:56
● 2026-03-24 22:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
twodo.nlvern.ns.cloudflare.com, grace.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.159

NS records: vern.ns.cloudflare.com, grace.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twodo.nl (unsigned zone)

⏱️ Timing

Total: 593ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.21.30, 172.67.196.7
AAAA22606:4700:3030::ac43:c407, 2606:4700:3036::6815:151e
NS2grace.ns.cloudflare.com, vern.ns.cloudflare.com
MX1smtp.rzone.de (pri: 5)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1grace.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

The parent of mail.twodo.nl is twodo.nl.

IP Addresses

twodo.nl maps to four IP numbers: 2606:4700:3030::ac43:c407, 2606:4700:3036::6815:151e, 104.21.21.30 and 172.67.196.7.

Other host names, for instance unknownseason.club, intothewildphotos.com, tubidy7.co.za, www.lakeestatemi.com and addcal.io share IP numbers with twodo.nl.

Name Servers

Two name servers grace.ns.cloudflare.com and vern.ns.cloudflare.com handle delegation for twodo.nl.

twodo.nl uses the same name server setup as other domains, for example merbn.com, meeta(0x6d696c66).club, t-dates.com, transpalm.com and queryquinton.com.

twodo.nl partially shares name servers with other domains; examples include 49.86.172.in-addr.arpa, hessen.com.br, tmfq.cc, baristamaroc.com and facebrrk.com.

These name servers are often used with the name servers algin.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names with six IP numbers: grace.ns.cloudflare.com points to: 2606:4700:50::adf5:3a9f, 2803:f800:50::6ca2:c09f, 2a06:98c1:50::ac40:209f, 108.162.192.159, 172.64.32.159 and 173.245.58.159; vern.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf3, 2803:f800:50::6ca2:c1f3, 2a06:98c1:50::ac40:21f3, 108.162.193.243, 172.64.33.243 and 173.245.59.243.

Mail Servers

twodo.nl is handled by a single mail server, smtp.rzone.de.

twodo.nl has the same mail server setup as other domains, including supersound.info, ihcm.nl, dening.nl, brassica.eu and dealtrade.nl.

Host smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.