ultra-smtp.com - robtex.com
ultra-smtp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 61.238.133.142🇭🇰 HKBN61.238.128.0/18 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street | ||||||
| PTR | 061238133142.ctinets.com | ||||||
| NS | ns85.worldnic.com ⭐ | ||||||
| A | 162.159.26.131Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns86.worldnic.com | ||||||
| A | 162.159.27.117Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mailx.ultra-sys.com ⭐ | ||||||
| A | 61.238.133.142🇭🇰 HKBN61.238.128.0/18 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street | ||||||
| PTR | 061238133142.ctinets.com | ||||||
| TXT | v=spf1 ip4:61.238.133.142 -all | ||||||
| SOA | NS85.WORLDNIC.comnamehost@WORLDNIC.com serial=123032202 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778749326 | ||||||
Subdomains
mail.ultra-smtp.com |
Same first word
ultra-smtp.com |
DNS History
6 records (4 active, 2 former)
●NSns85.worldnic.com2015-05-29 → 2026-05-14 · 2 obs
● 2026-05-14 09:04:50
●NSns86.worldnic.com2015-05-29 → 2026-05-14 · 2 obs
● 2026-05-14 09:04:50
○MXmail.ultra-smtp.com2015-05-29 → 2017-05-22 · 4 obs
● 2017-05-22 01:29:14
○ 2026-03-07 05:11:10
○ 2026-05-14 09:04:50
●MXmailx.ultra-sys.com2026-03-07 → 2026-05-14 · 3 obs
● 2026-03-07 05:11:10
● 2026-05-14 09:04:50
○A59.188.8.1542015-05-29 → 2017-05-22 · 4 obs
● 2017-05-22 01:29:14
○ 2026-03-07 05:11:10
○ 2026-05-14 09:04:50
●A61.238.133.1422026-03-07 → 2026-05-14 · 3 obs
● 2026-03-07 05:11:10
● 2026-05-14 09:04:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net... | - |
| ultra-smtp.com | ns85.worldnic.com, ns86.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.131
NS records: ns85.worldnic.com, ns86.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ultra-smtp.com (unsigned zone)
⏱️ Timing
Total: 524ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.238.133.142 |
| NS | 2 | ns85.worldnic.com, ns86.worldnic.com |
| MX | 1 | mailx.ultra-sys.com (pri: 1) |
| TXT | 1 | v=spf1 ip4:61.238.133.142 -all |
| SOA | 1 | NS85.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns85.worldnic.com, ns86.worldnic.com)
Analysis
Hierarchy
The parent of mail.ultra-smtp.com is ultra-smtp.com.
IP Addresses
ultra-smtp.com points to a single IP number: 61.238.133.142.
Other host names, for instance ultra-sys.com, ns2.ultra-sys.com, ns100.ultra-sys.com, 061238133142.ctinets.com and server888.ultra-sys.com share IP numbers with ultra-smtp.com.
Name Servers
ultra-smtp.com is delegated to two name servers: ns85.worldnic.com and ns86.worldnic.com.
ultra-smtp.com uses the same name server setup as other domains, for instance sfhiking.com, tryonfarm.com, smcld.org, ivhsanimals.org and amybeeler.com.
Host names with one IP number:
ns85.worldnic.com points to: 162.159.26.131.
ns86.worldnic.com points to: 162.159.27.117.
Mail Servers
The mail server for ultra-smtp.com is mailx.ultra-sys.com.
ultra-smtp.com uses the same mail server setup as other domains, such as ultra-sys.com and mailx.ultra-sys.com.
Host name mailx.ultra-sys.com resolves to IP 61.238.133.142.