`mail.sysuinc.com.ph`

DNSSEC	⚠️ Not signed
A	2606:4700:130:436c:6f75:6466:6c61:7265^{🇺🇸 Cloudflare2606:4700:130::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	104.21.1.209^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.237^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ⚠ 1 unhinted📌 2 extra
		IPv4	104.21.1.209, 172.67.129.237
		IPv6	2606:4700:3035::6815:1d1, 2606:4700:3037::ac43:81ed

`sysuinc.com.ph`

DNSSEC	⚠️ Not signed
A	2606:4700:130:436c:6f75:6466:6c61:7265^{🇺🇸 Cloudflare2606:4700:130::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
A	172.64.80.1^{🇺🇸 Cloudflare172.64.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ⚠ Not in HTTPS hints
NS	`armfazh.ns.cloudflare.com` ⭐
NS	`carrera.ns.cloudflare.com`
MX	`_dc-mx.6302acd6ff86.sysuinc.com.ph` ⭐
TXT	`v=spf1 +a +mx +ip4:110.34.166.161 +ip4:172.104.45.240 +ip4:174.139.160.44 -all`
HTTPS	HTTP/3, HTTP/2 ⚠ 2 unhinted📌 4 extra
		IPv4	104.21.1.209, 172.67.129.237
		IPv6	2606:4700:3035::6815:1d1, 2606:4700:3037::ac43:81ed
SOA	`armfazh.ns.cloudflare.com`dns@cloudflare.com serial=2398296425

Previously MX for

sysuinc.com.ph

Same first word

mail.gov.om

mail.canon

mail.net.hk

mail.as

mail.biz.ng

mail.ir

mail.net.ru

mail.cz

mail.gov.ms

mail.so

mail.ind.in

mail.com.in

mail.noip.us

mail.hippy.jp

mail.eating-organic.net

mail.ba.gov.br

mail.com

mail.inf.br

mail.4u.com

mail.edu.tw

mail.gov.rs

mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

mail.ao

mail.pw

mail.broker

mail.school

mail.land

mail.yahoo

mail.edu.ge

mail.ps

mail.edu.ee

mail.gouv.ci

mail.gi

mail.fr

mail.mil.id

mail.k12.vt.us

mail.photos

mail.omg.lol

mail.ooo

mail.cloudaccess.net

mail.girly.jp

mail.ec

mail.potager.org

mail.v.ua

mail.copro.uk

mail.kim

mail.md

mail.gov.ls

mail.edu.tt

mail.si

mail.gov.rw

mail.gov.bs

mail.ca

mail.je

mail.ks.ua

mail.org.br

mail.technology

mail.edu.ru

mail.edu.az

mail.global

mail.bambina.jp

mail.hu.net

mail.whitesnow.jp

mail.se

mail.gd

mail.csx.cc

mail.basicserver.io

mail.coupons

mail.js.org

mail.ch

mail.partners

mail.mt

mail.golffan.us

mail.town

mail.sh

mail.nom.za

mail.com.br

mail.com.ph

mail.co.ua

mail.bike

mail.gr

mail.srv.br

mail.dyn-vpn.de

mail.serveminecraft.net

mail.gov.cn

mail.staba.jp

mail.pinoko.jp

mail.in.th

mail.tech

mail.rakkestad.no

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DNS History

10 records (3 active, 7 former)

●A104.21.1.2092026-03-18 → 2026-03-22 · 6 obs

○ 2021-02-21 04:42:22
● 2026-03-18 00:07:24
● 2026-03-18 03:27:06
○ 2026-03-20 21:06:00
● 2026-03-22 15:41:12
● 2026-03-22 15:41:14

○A110.34.166.1612026-03-18 → 2026-03-22 · 2 obs

○ 2026-03-18 00:07:24
○ 2026-03-22 15:41:14

○A172.104.45.2402021-02-21 → 2021-02-21 · 4 obs

○ 2018-11-16 23:02:58
● 2021-02-21 04:42:22
○ 2026-03-18 00:07:24
○ 2026-03-22 15:41:14

○A172.64.80.12026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-18 03:27:06
● 2026-03-20 21:06:00
○ 2026-03-22 15:41:12
○ 2026-03-22 15:41:14

●A172.67.129.2372026-03-18 → 2026-03-22 · 6 obs

○ 2021-02-21 04:42:22
● 2026-03-18 00:07:24
● 2026-03-18 03:27:06
○ 2026-03-20 21:06:00
● 2026-03-22 15:41:12
● 2026-03-22 15:41:14

○A173.209.51.2502015-08-21 → 2016-06-10 · 4 obs

● 2015-08-21 18:51:58
● 2016-06-10 16:15:52
○ 2016-06-17 17:55:20
○ 2026-03-22 15:41:14

○A173.209.56.22016-06-17 → 2018-11-16 · 5 obs

○ 2016-06-10 16:15:52
● 2016-06-17 17:55:20
● 2018-11-16 23:02:58
○ 2021-02-21 04:42:22
○ 2026-03-22 15:41:14

●A2606:4700:130:436c:6f75:6466:6c61:72652026-03-20 → 2026-03-22 · 3 obs

○ 2026-03-18 03:27:06
● 2026-03-20 21:06:00
● 2026-03-22 15:41:14

○A2606:4700:3035::6815:1d12026-03-18 → 2026-03-18 · 5 obs

○ 2021-02-21 04:42:22
● 2026-03-18 00:07:24
● 2026-03-18 03:27:06
○ 2026-03-20 21:06:00
○ 2026-03-22 15:41:14

○A2606:4700:3037::ac43:81ed2026-03-18 → 2026-03-18 · 5 obs

○ 2021-02-21 04:42:22
● 2026-03-18 00:07:24
● 2026-03-18 03:27:06
○ 2026-03-20 21:06:00
○ 2026-03-22 15:41:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ph	1.ns.ph, ph.communitydns.net, ns2.cuhk.edu.hk, ns4.apnic.net	8 records
sysuinc.com.ph	armfazh.ns.cloudflare.com, carrera.ns.cloudflare.com	-

✅ Authoritative Response

Server: 162.159.44.104

NS records: armfazh.ns.cloudflare.com, carrera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysuinc.com.ph (unsigned zone)

⏱️ Timing

Total: 473ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.129.237, 104.21.1.209`
AAAA	2	`2606:4700:3035::6815:1d1, 2606:4700:3037::ac43:81ed`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 8

In-bailiwick: 2 (1.ns.ph, 1.ns.ph)

Out-of-bailiwick: 6 (ph.communitydns.net, ns2.cuhk.edu.hk, ns4.apnic.net...)

Analysis

IP Addresses

Three IP numbers are pointed to by mail.sysuinc.com.ph: 2606:4700:130:436c:6f75:6466:6c61:7265, 104.21.1.209 and 172.67.129.237.

Other host names, for instance motronic.be, ftp.fonteynthermen.nl, chiasehay.net, www.mdr-inc.com and mail.iconizer.net share IP numbers with mail.sysuinc.com.ph.

mail.sysuinc.com.ph - robtex.com