security.mailcloud.com.tw - dns.ninja
security.mailcloud.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.69.82.86🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | ns-1697.awsdns-20.co.uk ⭐ | ||||||
| A | 2600:9000:5306:a100::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1697.awsdns-20.co.uk | ||||||
| A | 205.251.198.161🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1697.awsdns-20.co.uk | ||||||
| NS | ns-1306.awsdns-35.org | ||||||
| A | 2600:9000:5305:1a00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1306.awsdns-35.org | ||||||
| A | 205.251.197.26🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1306.awsdns-35.org | ||||||
| NS | ns-396.awsdns-49.com | ||||||
| A | 2600:9000:5301:8c00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-396.awsdns-49.com | ||||||
| A | 205.251.193.140🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| NS | ns-550.awsdns-04.net | ||||||
| A | 2600:9000:5302:2600::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-550.awsdns-04.net | ||||||
| A | 205.251.194.38🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-550.awsdns-04.net | ||||||
| TXT | v=spf1 include:_spf.mailcloud.com.tw ~all | ||||||
| SOA | ns-1697.awsdns-20.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
mailcloud.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.69.82.80🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | ns-848.awsdns-42.net ⭐ | ||||||
| NS | ns-1166.awsdns-17.org | ||||||
| NS | ns-1873.awsdns-42.co.uk | ||||||
| NS | ns-444.awsdns-55.com | ||||||
| MX | mxs.mailcloud.com.tw ⭐ | ||||||
| TXT | Z5r59EnZ7DXew9ecAtFnu9mzBRQCbbZRVGOPRQrLopc | ||||||
| TXT | google-site-verification=TvPxwvqsEWRAoWE4fjInmLX4RPyoT1OOMuKArGCYwTI | ||||||
| TXT | qmVdLbJ2KJd98hJbBti_DMBvKDjpAN96RjjrnXtcZU0 | ||||||
| TXT | v=spf1 ip4:3.3.3.3 include:mail.zendesk.com include:_spf.mailcloud.com.tw ~all | ||||||
| SOA | ns-848.awsdns-42.netawsdns-hostmaster@amazon.com serial=1 | ||||||
MX for
Previously MX for
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1306.awsdns-35.org2026-02-14 → 2026-07-21 · 2 obs
● 2026-07-21 14:36:50
●NSns-1697.awsdns-20.co.uk2026-02-14 → 2026-07-21 · 2 obs
● 2026-07-21 14:36:50
●NSns-396.awsdns-49.com2026-02-14 → 2026-07-21 · 2 obs
● 2026-07-21 14:36:50
●NSns-550.awsdns-04.net2026-02-14 → 2026-07-21 · 2 obs
● 2026-07-21 14:36:50
●A203.69.82.862026-02-14 → 2026-07-21 · 4 obs
○ 2026-06-26 17:25:10
● 2026-06-26 18:13:00
● 2026-07-21 14:36:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | 14 records |
| mailcloud.com.tw | ns-444.awsdns-55.com, ns-1166.awsdns-17.org, ns-848.awsdns-42.net, ns-1873.awsdns-42.co.uk | - |
| security.mailcloud.com.tw | ns-1306.awsdns-35.org, ns-1697.awsdns-20.co.uk, ns-396.awsdns-49.com, ns-550.awsdns-04.net | - |
✅ Authoritative Response
Server:205.251.194.38
NS records: ns-1306.awsdns-35.org, ns-1697.awsdns-20.co.uk, ns-396.awsdns-49.com, ns-550.awsdns-04.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailcloud.com.tw (unsigned zone)
⏱️ Timing
Total: 1217ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.69.82.86 |
| NS | 4 | ns-1306.awsdns-35.org, ns-1697.awsdns-20.co.uk... |
| TXT | 1 | v=spf1 include:_spf.mailcloud.com.tw ~a |
| SOA | 1 | ns-1697.awsdns-20.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 14
In-bailiwick: 13 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 1 (anytld.apnic.net)
Analysis
Mail Server Role
Mail for lee-tech.com.tw, int-asia.com.tw, petglory.com, victradco.com, chinaelectric.com.tw — and several hundred other domains — is routed through the mail server security.mailcloud.com.tw.
security2.mailcloud.com.tw, mail.lee-tech.com.tw and victradco-com.mail.protection.outlook.com tend to be used as mail servers in tandem with security.mailcloud.com.tw.
IP Addresses
security.mailcloud.com.tw directs to one IP number, which is 203.69.82.86.
Further host names like yc-corp.com.tw and bak6.mail2000.com.tw overlap in IP numbers with security.mailcloud.com.tw.
Name Servers
The domain security.mailcloud.com.tw is delegated to these four name servers: ns-396.awsdns-49.com, ns-550.awsdns-04.net, ns-1306.awsdns-35.org and ns-1697.awsdns-20.co.uk.
There is at least partial name server overlap between security.mailcloud.com.tw and other domains — escondidocadillac.com, woodhulltwp.org, trusty.link and two more among them.
These name servers regularly appear alongside ns-701.awsdns-23.net, ns-1041.awsdns-02.org, ns-1583.awsdns-05.co.uk and 3 other name servers in NS record sets.
All four hostnames — ns-396.awsdns-49.com, ns-550.awsdns-04.net, ns-1306.awsdns-35.org and ns-1697.awsdns-20.co.uk — resolve to two IP numbers apiece: ns-396.awsdns-49.com to 205.251.193.140 and 2600:9000:5301:8c00::1; ns-550.awsdns-04.net to 205.251.194.38 and 2600:9000:5302:2600::1; ns-1306.awsdns-35.org to 205.251.197.26 and 2600:9000:5305:1a00::1; ns-1697.awsdns-20.co.uk to 205.251.198.161 and 2600:9000:5306:a100::1.