sysu.edu.pl - robtex.com

sysu.edu.pl

DNSSEC⚠️ Not signed
NSjosh.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A2803:f800:50::6ca2:c17e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjosh.ns.cloudflare.com
A2a06:98c1:50::ac40:217e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjosh.ns.cloudflare.com
A108.162.193.126🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A172.64.33.126🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A173.245.59.126🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
NSsara.ns.cloudflare.com
A2606:4700:50::adf5:3a90🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A2803:f800:50::6ca2:c090🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsara.ns.cloudflare.com
A2a06:98c1:50::ac40:2090🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsara.ns.cloudflare.com
A108.162.192.144🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A172.64.32.144🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
A173.245.58.144🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsara.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTMS=ms76429331
TXTv=spf1 include:spf.messagingengine.com ?all
SOAjosh.ns.cloudflare.comdns@cloudflare.com serial=2409875898

edu.pl

DNSSEC⚠️ Not signed
NSa-dns.pl ⭐ ⚠️ Not in parent delegation
NSb-dns.pl ⚠️ Not in parent delegation
NSd-dns.pl ⚠️ Not in parent delegation
NSf-dns.pl ⚠️ Not in parent delegation
NSh-dns.pl ⚠️ Not in parent delegation
NSj-dns.pl ⚠️ Not in parent delegation
SOAa-dns.pldnsmaster@nask.pl serial=1784356260
rank #341806 globally
rank #2537 in the tld
WOT: SAFE (79/100)

Same first word

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sysu.edu.pl

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DNS History

9 records (4 active, 5 former)

20192020202120222023202420252026NSjosh.ns.cloudflare.comsara.ns.cloudflare.comlv4ns1.ffdns.netlv4ns2.ffdns.netlv4ns3.ffdns.netlv4ns4.ffdns.netMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comCNAMEmail.doge.vc
●NSjosh.ns.cloudflare.com2026-06-15 → 2026-07-18 · 3 obs
○ 2018-05-15 10:56:06
● 2026-06-15 09:49:12
● 2026-07-18 20:10:42
○NSlv4ns1.ffdns.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 10:56:06
○ 2026-06-15 09:49:12
○ 2026-07-18 20:10:42
○NSlv4ns2.ffdns.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 10:56:06
○ 2026-06-15 09:49:12
○ 2026-07-18 20:10:42
○NSlv4ns3.ffdns.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 10:56:06
○ 2026-06-15 09:49:12
○ 2026-07-18 20:10:42
○NSlv4ns4.ffdns.net2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 10:56:06
○ 2026-06-15 09:49:12
○ 2026-07-18 20:10:42
●NSsara.ns.cloudflare.com2026-06-15 → 2026-07-18 · 3 obs
○ 2018-05-15 10:56:06
● 2026-06-15 09:49:12
● 2026-07-18 20:10:42
●MXin1-smtp.messagingengine.com2026-06-15 → 2026-07-18 · 2 obs
● 2026-06-15 09:49:12
● 2026-07-18 20:10:42
●MXin2-smtp.messagingengine.com2026-06-15 → 2026-07-18 · 2 obs
● 2026-06-15 09:49:12
● 2026-07-18 20:10:42
○CNAMEmail.doge.vc2018-05-15 → 2018-05-15 · 3 obs
● 2018-05-15 10:56:06
○ 2026-06-15 09:49:12
○ 2026-07-18 20:10:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
sysu.edu.pljosh.ns.cloudflare.com, sara.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.144

NS records: josh.ns.cloudflare.com, sara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysu.edu.pl (unsigned zone)

⏱️ Timing

Total: 922ms | Queries: -

📄 Records

TypeCountSample Data
NS2josh.ns.cloudflare.com, sara.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT2MS=ms76429331, v=spf1 include:spf.messagingengine.com ?
SOA1josh.ns.cloudflare.com dns.cloudflare.co

Analysis

Name Servers

Two name servers handle the delegation for sysu.edu.pl: josh.ns.cloudflare.com and sara.ns.cloudflare.com.

The name server configuration of sysu.edu.pl is shared with other domains, for instance hillaspackaging.com, dakotacorp.net, vvfamily.com and two others.

sysu.edu.pl partially shares its NS delegation with several other domains, including alexdecker.net, getkubik.com, jimsauto.com and two others.

These name servers often co-occur with the name servers carter.ns.cloudflare.com.

Hosts with 6 IP addresses each:

josh.ns.cloudflare.com resolves to 108.162.193.126, 172.64.33.126 and 173.245.59.126 among others, with 3 other IP addresses in total.

sara.ns.cloudflare.com resolves to 108.162.192.144, 172.64.32.144 and 173.245.58.144 among others, with 3 other IP addresses in total.

Mail Servers

sysu.edu.pl uses two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

The mail server setup of sysu.edu.pl matches that of other domains such as phoebeheffer.com, coredump.space, millerfd.com and two others.

At least a portion of sysu.edu.pl's mail servers are also used by other domains, for example 88f3a.com.

Hosts with 8 IP addresses each:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217 and 103.168.172.218 among others, with 5 other IP addresses in total.

Host names with four IP addresses:

in2-smtp.messagingengine.com maps to the following IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.