sumtech.com.tw - dns.ninja
sumtech.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006388030 | ||||||
Same first word
Similar names
DNS History
18 records (11 active, 7 former)
●NSbob.ns.cloudflare.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
●NSroxy.ns.cloudflare.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
●MXalt1.aspmx.l.google.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
●MXalt2.aspmx.l.google.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
●MXalt3.aspmx.l.google.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
●MXalt4.aspmx.l.google.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
●MXaspmx.l.google.com2017-03-16 → 2026-08-02 · 2 obs
● 2026-08-02 01:51:02
○A104.18.60.1482020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 14:33:10
○ 2026-02-27 07:48:42
○ 2026-08-02 01:51:02
○A104.18.61.1482020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 14:33:10
○ 2026-02-27 07:48:42
○ 2026-08-02 01:51:02
●A104.21.47.1452026-02-27 → 2026-08-02 · 3 obs
● 2026-02-27 07:48:42
● 2026-08-02 01:51:02
●A172.67.148.1142026-02-27 → 2026-08-02 · 3 obs
● 2026-02-27 07:48:42
● 2026-08-02 01:51:02
●A2606:4700:3030::ac43:94722026-06-30 → 2026-08-02 · 3 obs
● 2026-06-30 17:17:54
● 2026-08-02 01:51:02
○A2606:4700:3031::6812:3d942020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 14:33:10
○ 2026-02-27 07:48:42
○ 2026-08-02 01:51:02
●A2606:4700:3034::6815:2f912026-06-30 → 2026-08-02 · 3 obs
● 2026-06-30 17:17:54
● 2026-08-02 01:51:02
○A2606:4700:3035::6815:2f912026-02-27 → 2026-02-27 · 4 obs
● 2026-02-27 07:48:42
○ 2026-06-30 17:17:54
○ 2026-08-02 01:51:02
○A2606:4700:3035::ac43:94722026-02-27 → 2026-02-27 · 4 obs
● 2026-02-27 07:48:42
○ 2026-06-30 17:17:54
○ 2026-08-02 01:51:02
○A2606:4700:3036::6812:3c942020-02-12 → 2020-02-12 · 4 obs
● 2020-02-12 14:33:10
○ 2026-02-27 07:48:42
○ 2026-08-02 01:51:02
○A59.125.158.362017-03-16 → 2017-03-16 · 3 obs
○ 2020-02-12 14:33:10
○ 2026-08-02 01:51:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | a.twnic.net.tw, f.twnic.net.tw, e.twnic.net.tw, c.twnic.net.tw... | - |
| sumtech.com.tw | bob.ns.cloudflare.com, roxy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.104
NS records: bob.ns.cloudflare.com, roxy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 363ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.47.145, 172.67.148.114 |
| AAAA | 2 | 2606:4700:3030::ac43:9472, 2606:4700:3034::6815:2f91 |
| NS | 2 | bob.ns.cloudflare.com, roxy.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 ip4:84.247.156.165 ip4:84.247.156 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bob.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
sumtech.com.tw points to the four IP addresses 104.21.47.145, 172.67.148.114, 2606:4700:3030::ac43:9472 and 2606:4700:3034::6815:2f91.
mail.dagaci.com, kolyndyanska-gromoda.gov.ua, teckwei.com.sg and two other host names share IP numbers with sumtech.com.tw.
Name Servers
The NS records for sumtech.com.tw delegate to bob.ns.cloudflare.com and roxy.ns.cloudflare.com.
sumtech.com.tw uses the same name servers as several other domains — among them youriot.com.au, viralsweep.com, runedia.com and two more.
The name servers of sumtech.com.tw overlap at least partially with those of other domains — among them desireswish.com, m38.top, tobordab.com and two more.
These name servers commonly appear in combination with the name servers nola.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
bob.ns.cloudflare.com maps to 108.162.193.104, 172.64.33.104, 173.245.59.104 and 3 additional IP addresses.
roxy.ns.cloudflare.com maps to 108.162.192.142, 172.64.32.142, 173.245.58.142 and 3 additional IP addresses.
Mail Servers
sumtech.com.tw has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
sumtech.com.tw has at least partial mail server overlap with other domains such as ns500759.ns500759.ns500698.ns500759.ns500698.ns500736.ns500735.ns500736.ns500708.ns500576.ns500576.ns500698.ns500576.ns500576.trackreceptor.com, ns500698.ns500758.ns500759.ns500698.ns500698.ns500758.ns500735.ns500735.ns500736.ns500698.ns500735.ns500576.ns500576.ns500698.ns500686.ns500619.trackreceptor.com, bohlepropiedades.com and two more.
These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.
Hostnames that resolve to two IP addresses:
The A records for aspmx.l.google.com return 142.251.167.26 and 2607:f8b0:4004:c23::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.
The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.