external1.com - dns.ninja
external1.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.portsdns.se ⭐ | ||||||
| A | 2607:f740:e009::1🇺🇸 NETACTUATE2607:f740:e009::/48 Anycast Prefix | ||||||
| PTR | a.portsdns.se | ||||||
| A | 45.54.35.101🇺🇸 NETACTUATE45.54.35.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| PTR | a.portsdns.se | ||||||
| NS | b.portsdns.net | ||||||
| A | 2a00:11c0:3d::1🇦🇹 ANX-CUSTOMER2a00:11c0:3d::/48 Anycast powered by ANX | ||||||
| PTR | b.portsdns.net | ||||||
| A | 94.16.23.1🇦🇹 ANX-CUSTOMER94.16.23.0/24 Anycast powered by ANX | ||||||
| PTR | b.portsdns.net | ||||||
| MX | mail03.portsit.se ⭐ | ||||||
| A | 193.14.90.173🇸🇪 SWIPNET193.12.0.0/14 In case of improper use originating from our network, please mail customer or | ||||||
| PTR | mail03.portsit.se | ||||||
| SOA | a.portsdns.seregistry@ports.net 2025-11-17 #0 | ||||||
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=1781662450 | ||||||
Same first word
external1.com |
DNS History
8 records (3 active, 5 former)
●NSa.portsdns.se2026-04-01 → 2026-06-17 · 3 obs
● 2026-04-01 02:41:28
● 2026-06-17 02:37:32
●NSb.portsdns.net2026-04-01 → 2026-06-17 · 3 obs
● 2026-04-01 02:41:28
● 2026-06-17 02:37:32
○NSns1.rrpproxy.net2015-05-28 → 2018-02-03 · 4 obs
● 2018-02-03 09:59:50
○ 2026-04-01 02:41:28
○ 2026-06-17 02:37:32
○NSns2.rrpproxy.net2015-05-28 → 2018-02-03 · 4 obs
● 2018-02-03 09:59:50
○ 2026-04-01 02:41:28
○ 2026-06-17 02:37:32
○NSns3.rrpproxy.net2015-05-28 → 2018-02-03 · 4 obs
● 2018-02-03 09:59:50
○ 2026-04-01 02:41:28
○ 2026-06-17 02:37:32
●MXmail03.portsit.se2026-04-01 → 2026-06-17 · 3 obs
● 2026-04-01 02:41:28
● 2026-06-17 02:37:32
○MXsmtp1.external1.com2015-05-28 → 2018-02-03 · 4 obs
● 2018-02-03 09:59:50
○ 2026-04-01 02:41:28
○ 2026-06-17 02:37:32
○MXsmtp2.external1.com2015-05-28 → 2018-02-03 · 4 obs
● 2018-02-03 09:59:50
○ 2026-04-01 02:41:28
○ 2026-06-17 02:37:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| external1.com | b.portsdns.net, a.portsdns.se | - |
✅ Authoritative Response
Server:45.54.35.101
NS records: b.portsdns.net, a.portsdns.se
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for external1.com (unsigned zone)
⏱️ Timing
Total: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.portsdns.se, b.portsdns.net |
| MX | 1 | mail03.portsit.se (pri: 10) |
| SOA | 1 | a.portsdns.se registry.ports.net |
Analysis
Name Servers
The NS records for external1.com delegate to b.portsdns.net and a.portsdns.se.
The name server configuration of external1.com is shared with other domains, for instance dur.dk, kui.nu, redevco.biz and two others.
external1.com and other domains like wortie.hr share at least a portion of their name servers.
b.portsdns.net resolves to 94.16.23.1 and 2a00:11c0:3d::1. Likewise, a.portsdns.se resolves to 45.54.35.101 and 2607:f740:e009::1 — two IP addresses apiece.
Mail Servers
external1.com uses one mail server — mail03.portsit.se.
The mail server setup of external1.com matches that of other domains such as sapa-tube.cn, jacky.se, norvvegian.com and two others.
At least some of the mail servers used by external1.com are shared with other domains: minimellan.se, wicona.pt, vitapro.nl and two others among them.
mail03.portsit.se resolves to 193.14.90.173 and no other IP number.