optimaforma.nl - robtex.com

optimaforma.nl

DNSSEC⚠️ Not signed
A2a01:7860::db:8826:1:1🇳🇱 TRANSIP-AS2a01:7860::/32 IXL Hosting B.V., TransIP AS Origin
PTRweb01.comsi.nl
A5.61.251.138🇳🇱 TRANSIP-AS5.61.248.0/21 iXL Hosting Network, TransIP Origin AS
NSns1.extin-hosting.nl ⭐
A2a00:1ca8:c::71🇳🇱 Serverius-as2a00:1ca8::/32 Serverius Route Object
PTRns1.extin-hosting.nl
A178.21.17.71🇳🇱 Serverius-as178.21.16.0/21 Serverius Route Object
PTRns1.extin-hosting.nl
NSns2.extin-hosting.nl
A2a00:1ca8:c::240🇳🇱 Serverius-as2a00:1ca8::/32 Serverius Route Object
PTRns2.extin-hosting.nl
A93.158.218.240🇳🇱 Serverius-as93.158.208.0/20 Serverius Route Object
PTRns2.extin-hosting.nl
NSns3.extin-hosting.nl
A2a00:1ca8:c:100::172🇳🇱 Serverius-as2a00:1ca8::/32 Serverius Route Object
A93.158.202.172🇳🇱 Serverius-as93.158.202.0/24
PTRns3.extin-hosting.nl
MXoptimaforma-nl.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::9🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00601.inbound.protection.outlook.com
A2a01:111:f403:ca09::🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am3pr04cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca09::d🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.68.36🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db5pr02cu00104.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
TXTMS=ms91480751
TXTv=spf1 a mx include:windows.ppibv.nl include:_spf.google.com include:spf.prot...
SOAns1.extin-hosting.nlh\@kooij.optimaforma.nl 2025-08-26 #5

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-03-24 19:30:02 +0000 (EPOCH 1774380602)
SOAns1.dns.nldns@sidn.nl 2026-03-24 #39

Same first word

optimaforma.lt
optimaforma.eu
optimaforma.ru
optimaforma.ro
optimaforma.nl
optimaforma.com

DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NSns1.extin-hosting.nlns2.extin-hosting.nlns3.extin-hosting.nlns0.transip.netns1.extin.nlns1.transip.nlns2.extin.nlns2.transip.euns3.extin.nlMXoptimaforma-nl.mail.protection.outlook.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA2a01:7860::db:8826:1:15.61.251.138141.138.168.21178.21.17.6993.158.218.234
○NSns0.transip.net2015-06-24 → 2015-06-24 · 3 obs
● 2015-06-24 21:10:00
○ 2015-10-29 16:57:46
○ 2026-03-24 20:16:04
●NSns1.extin-hosting.nl2026-02-24 → 2026-03-24 · 3 obs
○ 2020-01-31 13:54:28
● 2026-02-24 14:30:00
● 2026-03-24 20:16:04
○NSns1.extin.nl2015-10-29 → 2020-01-31 · 5 obs
○ 2015-06-24 21:10:00
● 2015-10-29 16:57:46
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○NSns1.transip.nl2015-06-24 → 2015-06-24 · 3 obs
● 2015-06-24 21:10:00
○ 2015-10-29 16:57:46
○ 2026-03-24 20:16:04
●NSns2.extin-hosting.nl2026-02-24 → 2026-03-24 · 3 obs
○ 2020-01-31 13:54:28
● 2026-02-24 14:30:00
● 2026-03-24 20:16:04
○NSns2.extin.nl2015-10-29 → 2020-01-31 · 5 obs
○ 2015-06-24 21:10:00
● 2015-10-29 16:57:46
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○NSns2.transip.eu2015-06-24 → 2015-06-24 · 3 obs
● 2015-06-24 21:10:00
○ 2015-10-29 16:57:46
○ 2026-03-24 20:16:04
●NSns3.extin-hosting.nl2026-02-24 → 2026-03-24 · 3 obs
○ 2020-01-31 13:54:28
● 2026-02-24 14:30:00
● 2026-03-24 20:16:04
○NSns3.extin.nl2015-10-29 → 2020-01-31 · 5 obs
○ 2015-06-24 21:10:00
● 2015-10-29 16:57:46
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○MXalt1.aspmx.l.google.com2015-06-24 → 2020-01-31 · 4 obs
● 2015-06-24 21:10:00
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○MXalt2.aspmx.l.google.com2015-06-24 → 2020-01-31 · 4 obs
● 2015-06-24 21:10:00
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○MXaspmx.l.google.com2015-06-24 → 2020-01-31 · 4 obs
● 2015-06-24 21:10:00
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○MXaspmx2.googlemail.com2015-06-24 → 2020-01-31 · 4 obs
● 2015-06-24 21:10:00
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
○MXaspmx3.googlemail.com2015-06-24 → 2020-01-31 · 4 obs
● 2015-06-24 21:10:00
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04
●MXoptimaforma-nl.mail.protection.outlook.com2026-02-24 → 2026-03-24 · 3 obs
○ 2020-01-31 13:54:28
● 2026-02-24 14:30:00
● 2026-03-24 20:16:04
○A141.138.168.212015-06-24 → 2015-06-24 · 3 obs
● 2015-06-24 21:10:00
○ 2015-10-29 16:57:46
○ 2026-03-24 20:16:04
○A178.21.17.692015-10-29 → 2017-03-19 · 5 obs
○ 2015-06-24 21:10:00
● 2015-10-29 16:57:46
● 2017-03-19 05:25:06
○ 2020-01-31 13:54:28
○ 2026-03-24 20:16:04
●A2a01:7860::db:8826:1:12026-02-24 → 2026-03-24 · 3 obs
○ 2020-01-31 13:54:28
● 2026-02-24 14:30:00
● 2026-03-24 20:16:04
●A5.61.251.1382026-02-24 → 2026-03-24 · 3 obs
○ 2020-01-31 13:54:28
● 2026-02-24 14:30:00
● 2026-03-24 20:16:04
○A93.158.218.2342020-01-31 → 2020-01-31 · 4 obs
○ 2017-03-19 05:25:06
● 2020-01-31 13:54:28
○ 2026-02-24 14:30:00
○ 2026-03-24 20:16:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
optimaforma.nlns1.extin-hosting.nl, ns2.extin-hosting.nl, ns3.extin-hosting.nl6 records

✅ Authoritative Response

Server:178.21.17.71

NS records: ns1.extin-hosting.nl, ns2.extin-hosting.nl, ns3.extin-hosting.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimaforma.nl (unsigned zone)

⏱️ Timing

Total: 412ms | Queries: -

📄 Records

TypeCountSample Data
A15.61.251.138
AAAA12a01:7860::db:8826:1:1
NS3ns1.extin-hosting.nl, ns3.extin-hosting.nl...
MX1optimaforma-nl.mail.protection.outlook.c
TXT2MS=ms91480751, v=spf1 a mx include:windows.ppibv.nl inc
SOA1ns1.extin-hosting.nl h\.kooij.optimaform

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.extin-hosting.nl, ns1.extin-hosting.nl, ns2.extin-hosting.nl...)

Analysis

IP Addresses

optimaforma.nl resolves to two IP numbers: 2a01:7860::db:8826:1:1 and 5.61.251.138.

Other host names, for instance obsregenboog.nl, pieperfestival.nl, swsdewending.nl, vvsa.nl and www.frankcrebas.com share IP numbers with optimaforma.nl.

Name Servers

optimaforma.nl is delegated to three name servers: ns1.extin-hosting.nl, ns2.extin-hosting.nl and ns3.extin-hosting.nl.

optimaforma.nl partially shares name servers with other domains; examples include valstop.eu, extin-exchange.nl, valstop.nl, onderdelenshop.nl and valstop.com.

These name servers are commonly used with ns1.extin-exchange.nl, ns2.extin-exchange.nl and ns3.extin-exchange.nl.

Host names with two IP numbers:

ns1.extin-hosting.nl points to 2a00:1ca8:c::71 and 178.21.17.71.

ns2.extin-hosting.nl points to 2a00:1ca8:c::240 and 93.158.218.240.

ns3.extin-hosting.nl points to 2a00:1ca8:c:100::172 and 93.158.202.172.

Mail Servers

optimaforma.nl is handled by a single mail server, optimaforma-nl.mail.protection.outlook.com.

Hostname optimaforma-nl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::d, 52.101.68.3, 52.101.68.36, 52.101.73.1 and 52.101.73.22.