sysf.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status

sysf.dev

DNSSEC🔒 Signed (DS record present)
A138.199.135.43🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC
PTRstatic.43.135.199.138.clients.your-server.de
NSns0.transip.net
A2a01:7c8:dddd:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns0.transip.net
A195.135.195.195🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V.
PTRns0.transip.net
NSns1.transip.nl
A2a01:7c8:7000:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns1.transip.nl
A195.8.195.195🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V.
PTRns1.transip.nl
NSns2.transip.eu
A2a01:7c8:f:c1f::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns2.transip.eu
A37.97.199.195🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns2.transip.eu
MXsysf-dev.mail.protection.outlook.com
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca09::6🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::f🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca09::26🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am8pr83cu00106.inbound.protection.outlook.com
A52.101.68.15🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db6pr03cu00107.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
TXTgoogle-site-verification=hGJKyYw6NttLLTQ7qmxwUfM8zJoUEJmofr_Ex_xuZQA
TXTv=spf1 include:spf.protection.outlook.com -all
TXTMS=ms86825028
SOAns0.transip.nethostmaster@transip.nl 2026-08-21 #0

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

Previous names

Next names

DNS History

5 records (5 active, 0 former)

NSns0.transip.netns1.transip.nlns2.transip.euMXsysf-dev.mail.protection.outlook.comA138.199.135.43
NSns0.transip.net2026-08-30 → 2026-09-01 · 2 obs
● 2026-08-30 19:54:38
● 2026-09-01 02:09:22
NSns1.transip.nl2026-08-30 → 2026-09-01 · 2 obs
● 2026-08-30 19:54:38
● 2026-09-01 02:09:22
NSns2.transip.eu2026-08-30 → 2026-09-01 · 2 obs
● 2026-08-30 19:54:38
● 2026-09-01 02:09:22
MXsysf-dev.mail.protection.outlook.com2026-08-30 → 2026-09-01 · 2 obs
● 2026-08-30 19:54:38
● 2026-09-01 02:09:22
A138.199.135.432026-08-30 → 2026-09-01 · 2 obs
● 2026-08-30 19:54:38
● 2026-09-01 02:09:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
sysf.devns2.transip.eu, ns0.transip.net, ns1.transip.nl-

✅ Authoritative Response

Server:195.8.195.195

NS records: ns2.transip.eu, ns0.transip.net, ns1.transip.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1265ms | Queries: -

📄 Records

TypeCountSample Data
A1138.199.135.43
NS3ns1.transip.nl, ns0.transip.net...
MX1sysf-dev.mail.protection.outlook.com (pr
TXT3google-site-verification=hGJKyYw6NttLLTQ, v=spf1 include:spf.protection.outlook.co...
SOA1ns0.transip.net hostmaster.transip.nl

Analysis

IP Addresses

sysf.dev has exactly one IP address — 138.199.135.43.

onsdeegske.nl, sysf.app, sysf.nl plus two other host names have IP numbers in common with sysf.dev.

Name Servers

sysf.dev is served by three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

sysf.dev has at least partial name server overlap with other domains, such as t-rex-rubber.com, plantscope.nl, h20barrier.com and two others.

The hostnames ns2.transip.eu, ns0.transip.net and ns1.transip.nl each direct to two IP addresses — ns2.transip.eu to 37.97.199.195 and 2a01:7c8:f:c1f::195, ns0.transip.net to 195.135.195.195 and 2a01:7c8:dddd:195::195, and ns1.transip.nl to 195.8.195.195 and 2a01:7c8:7000:195::195.

Mail Servers

sysf.dev uses one mail server — sysf-dev.mail.protection.outlook.com.

sysf-dev.mail.protection.outlook.com has 8 IP addresses: 52.101.68.15, 52.101.73.2, 52.101.73.12 plus 5 more.