sysf.dev - robtex.com

๐Ÿ›ก๏ธDomain Reputation CheckBlocklist, phishing & malware statusโ†’

sysf.dev

DNSSEC๐Ÿ”’ Signed (DS record present)
A138.199.135.43๐Ÿ‡ฉ๐Ÿ‡ช Hetzner138.199.128.0/17 HETZNER-DC
PTRstatic.43.135.199.138.clients.your-server.de
NSns0.transip.net โญ
A2a01:7c8:dddd:195::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns0.transip.net
A195.135.195.195๐Ÿ‡ฎ๐Ÿ‡น TRANSIP-AS195.135.195.0/24 TransIP B.V.
PTRns0.transip.net
NSns1.transip.nl
A2a01:7c8:7000:195::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns1.transip.nl
A195.8.195.195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS195.8.195.0/24 TransIP B.V.
PTRns1.transip.nl
NSns2.transip.eu
A2a01:7c8:f:c1f::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns2.transip.eu
A37.97.199.195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns2.transip.eu
MXsysf-dev.mail.protection.outlook.com โญ
A2a01:111:f403:ca09::4๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::e๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00206.inbound.protection.outlook.com
A2a01:111:f403:ca09::20๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:ca38::8๐Ÿ‡ต๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-wa4pr04cu00100.inbound.protection.outlook.com
A52.101.68.25๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.73.22๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00106.inbound.protection.outlook.com
A52.101.73.24๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00300.inbound.protection.outlook.com
A52.101.73.145๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am6pr02cu00301.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
TXTgoogle-site-verification=hGJKyYw6NttLLTQ7qmxwUfM8zJoUEJmofr_Ex_xuZQA
TXTMS=ms86825028
SOAns0.transip.nethostmaster@transip.nl 2026-08-21 #0

dev

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns-tld1.charlestonroadregistry.com โญ
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
๐Ÿ”’ 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
โ—NSns0.transip.net2026-08-30 โ†’ 2026-09-01 ยท 2 obs
โ— 2026-08-30 19:54:38
โ— 2026-09-01 03:41:42
โ—NSns1.transip.nl2026-08-30 โ†’ 2026-09-01 ยท 2 obs
โ— 2026-08-30 19:54:38
โ— 2026-09-01 03:41:42
โ—NSns2.transip.eu2026-08-30 โ†’ 2026-09-01 ยท 2 obs
โ— 2026-08-30 19:54:38
โ— 2026-09-01 03:41:42
โ—MXsysf-dev.mail.protection.outlook.com2026-08-30 โ†’ 2026-09-01 ยท 2 obs
โ— 2026-08-30 19:54:38
โ— 2026-09-01 03:41:42
โ—A138.199.135.432026-08-30 โ†’ 2026-09-01 ยท 2 obs
โ— 2026-08-30 19:54:38
โ— 2026-09-01 03:41:42

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
sysf.devns1.transip.nl, ns0.transip.net, ns2.transip.eu-

โœ… Authoritative Response

Server:195.8.195.195

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

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1260ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1138.199.135.43
NS3ns0.transip.net, ns1.transip.nl...
MX1sysf-dev.mail.protection.outlook.com (pr
TXT3MS=ms86825028, v=spf1 include:spf.protection.outlook.co...
SOA1ns0.transip.net hostmaster.transip.nl

Analysis

IP Addresses

sysf.dev directs to one IP number, which is 138.199.135.43.

Among the host names that share IP numbers with sysf.dev are onsdeegske.nl, sysf.app, sysf.nl and two others.

Name Servers

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

sysf.dev partially shares its NS delegation with several other domains, including 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 โ€” 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 routes its mail through a single mail server, sysf-dev.mail.protection.outlook.com.

sysf-dev.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.25, 52.101.73.22 and 52.101.73.24, along with 5 other.