studyfolio.com - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

studyfolio.com

DNSSEC🔒 Signed (DS record present)
A2a02:2350:5:113:8076:402d:abe2:2ab8🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A77.111.243.69🇩🇰 ONECOM77.111.240.0/22 One.com A/S
NSns01.forward.antagonist.nl ⭐
A2001:67c:28cc::16ONECOM-INFRA2001:67c:28cc::/48
PTRns01.forward.antagonist.nl
A195.206.121.16ONECOM-INFRA195.206.121.0/24
NSns02.forward.antagonist.net
A2001:67c:3c0::16🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.forward.antagonist.net
A185.10.11.16ONECOM185.10.11.0/24
TXTv=spf1 include:_custspf.g1i.one a mx ip4:195.211.72.0/22 ip4:141.138.168.0/21...
SOAns01.forward.antagonist.nlhostmaster@forward.antagonist.nl 2026-10-08 #1

com

Previously MX for

Same first word

Similar names

Previous names

Next names

DNS History

20 records (4 active, 16 former)

20162017201820192020202120222023202420252026NSns01.forward.antagonist.nlns02.forward.antagonist.netns1.md-pb-iqsv.comns1.p01.antagonist.nlns1.webhostingserver.nlns2.md-pb-iqsv.comns2.p01.antagonist.netns2.webhostingserver.nlns3.p01.antagonist.dens3.webhostingserver.nlMXmail.studyfolio.commx1.p01.antagonist.nlstudyfolio.comA2a02:2350:5:113:8076:402d:abe2:2ab877.111.243.69141.138.168.122195.211.74.1122a03:3c00:a001:7010::12a03:3c00:a002:177::100766.34.63.234
●NSns01.forward.antagonist.nl2026-10-08 → 2026-10-11 · 3 obs
○ 2020-02-05 01:32:46
● 2026-10-08 17:29:12
● 2026-10-11 19:44:36
●NSns02.forward.antagonist.net2026-10-08 → 2026-10-11 · 3 obs
○ 2020-02-05 01:32:46
● 2026-10-08 17:29:12
● 2026-10-11 19:44:36
○NSns1.md-pb-iqsv.com2015-07-08 → 2015-07-08 · 3 obs
● 2015-07-08 12:44:00
○ 2016-05-05 20:27:18
○ 2026-10-11 19:44:36
○NSns1.p01.antagonist.nl2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-18 08:14:18
● 2020-02-05 01:32:46
○ 2026-10-08 17:29:12
○ 2026-10-11 19:44:36
○NSns1.webhostingserver.nl2017-02-18 → 2017-02-18 · 4 obs
○ 2016-05-05 20:27:18
● 2017-02-18 08:14:18
○ 2020-02-05 01:32:46
○ 2026-10-11 19:44:36
○NSns2.md-pb-iqsv.com2015-07-08 → 2015-07-08 · 3 obs
● 2015-07-08 12:44:00
○ 2016-05-05 20:27:18
○ 2026-10-11 19:44:36
○NSns2.p01.antagonist.net2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-18 08:14:18
● 2020-02-05 01:32:46
○ 2026-10-08 17:29:12
○ 2026-10-11 19:44:36
○NSns2.webhostingserver.nl2017-02-18 → 2017-02-18 · 4 obs
○ 2016-05-05 20:27:18
● 2017-02-18 08:14:18
○ 2020-02-05 01:32:46
○ 2026-10-11 19:44:36
○NSns3.p01.antagonist.de2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-18 08:14:18
● 2020-02-05 01:32:46
○ 2026-10-08 17:29:12
○ 2026-10-11 19:44:36
○NSns3.webhostingserver.nl2017-02-18 → 2017-02-18 · 4 obs
○ 2016-05-05 20:27:18
● 2017-02-18 08:14:18
○ 2020-02-05 01:32:46
○ 2026-10-11 19:44:36
○MXmail.studyfolio.com2017-02-18 → 2017-02-18 · 4 obs
○ 2016-05-05 20:27:18
● 2017-02-18 08:14:18
○ 2020-02-05 01:32:46
○ 2026-10-11 19:44:36
○MXmx1.p01.antagonist.nl2020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-18 08:14:18
● 2020-02-05 01:32:46
○ 2026-10-08 17:29:12
○ 2026-10-11 19:44:36
○MXstudyfolio.com2015-07-08 → 2015-07-08 · 3 obs
● 2015-07-08 12:44:00
○ 2016-05-05 20:27:18
○ 2026-10-11 19:44:36
○A141.138.168.1222017-02-18 → 2017-02-18 · 4 obs
○ 2016-05-05 20:27:18
● 2017-02-18 08:14:18
○ 2020-02-05 01:32:46
○ 2026-10-11 19:44:36
○A195.211.74.1122020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-18 08:14:18
● 2020-02-05 01:32:46
○ 2026-10-08 17:29:12
○ 2026-10-11 19:44:36
●A2a02:2350:5:113:8076:402d:abe2:2ab82026-10-08 → 2026-10-11 · 3 obs
○ 2020-02-05 01:32:46
● 2026-10-08 17:29:12
● 2026-10-11 19:44:36
○A2a03:3c00:a001:7010::12020-02-05 → 2020-02-05 · 4 obs
○ 2017-02-18 08:14:18
● 2020-02-05 01:32:46
○ 2026-10-08 17:29:12
○ 2026-10-11 19:44:36
○A2a03:3c00:a002:177::10072017-02-18 → 2017-02-18 · 4 obs
○ 2016-05-05 20:27:18
● 2017-02-18 08:14:18
○ 2020-02-05 01:32:46
○ 2026-10-11 19:44:36
○A66.34.63.2342015-07-08 → 2015-07-08 · 3 obs
● 2015-07-08 12:44:00
○ 2016-05-05 20:27:18
○ 2026-10-11 19:44:36
●A77.111.243.692026-10-08 → 2026-10-11 · 3 obs
○ 2020-02-05 01:32:46
● 2026-10-08 17:29:12
● 2026-10-11 19:44:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
studyfolio.comns01.forward.antagonist.nl, ns02.forward.antagonist.net-

✅ Authoritative Response

Server:185.10.11.16

NS records: ns01.forward.antagonist.nl, ns02.forward.antagonist.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 959ms | Queries: -

📄 Records

TypeCountSample Data
A177.111.243.69
AAAA12a02:2350:5:113:8076:402d:abe2:2ab8
NS2ns01.forward.antagonist.nl, ns02.forward.antagonist.net
MX1. (pri: 0)
TXT1v=spf1 include:_custspf.g1i.one a mx ip4
SOA1ns01.forward.antagonist.nl hostmaster.fo

Analysis

IP Addresses

studyfolio.com resolves to the IP addresses 77.111.243.69 and 2a02:2350:5:113:8076:402d:abe2:2ab8

Additional host names — denied.be, beethoveninvest.nl, snellesokken.be and two others — share IP numbers with studyfolio.com.

Name Servers

studyfolio.com is delegated to two name servers: ns02.forward.antagonist.net and ns01.forward.antagonist.nl.

studyfolio.com shares its name server setup with other domains, including warmtepomponderdeelgigant.nl, williamelferinkdataconsulting.nl, hsmlei.nl and two others.

ns02.forward.antagonist.net and ns01.forward.antagonist.nl each resolve to two IP addresses: ns02.forward.antagonist.net points to 185.10.11.16 and 2001:67c:3c0::16, while ns01.forward.antagonist.nl points to 195.206.121.16 and 2001:67c:28cc::16.