swirsystems.com - robtex.com
swirsystems.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns209.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::f5🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns209.ultradns.com | ||||||
| A | 156.154.64.209🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns209.ultradns.com | ||||||
| NS | pdns209.ultradns.biz | ||||||
| A | 2610:a1:1015::f5🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns209.ultradns.biz | ||||||
| A | 156.154.66.209🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns209.ultradns.biz | ||||||
| NS | pdns209.ultradns.net | ||||||
| A | 2610:a1:1014::f5🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns209.ultradns.net | ||||||
| A | 156.154.65.209🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns209.ultradns.net | ||||||
| NS | pdns209.ultradns.org | ||||||
| A | 2001:502:4612::f5🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns209.ultradns.org | ||||||
| A | 156.154.67.209🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns209.ultradns.org | ||||||
| MX | swirsystems.com ⭐ | ||||||
| SOA | pdns209.ultradns.comdnsadmin@utc.com 2020-01-03 #8 | ||||||
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=1784378312 | ||||||
MX for
swirsystems.com |
Same first word
swirsystems.com |
DNS History
9 records (5 active, 4 former)
○NSns77.worldnic.com2015-10-31 → 2017-05-23 · 4 obs
● 2017-05-23 15:49:04
○ 2026-05-27 19:31:36
○ 2026-07-18 13:00:38
○NSns78.worldnic.com2015-10-31 → 2017-05-23 · 4 obs
● 2017-05-23 15:49:04
○ 2026-05-27 19:31:36
○ 2026-07-18 13:00:38
●NSpdns209.ultradns.biz2026-05-27 → 2026-07-18 · 3 obs
● 2026-05-27 19:31:36
● 2026-07-18 13:00:38
●NSpdns209.ultradns.com2026-05-27 → 2026-07-18 · 3 obs
● 2026-05-27 19:31:36
● 2026-07-18 13:00:38
●NSpdns209.ultradns.net2026-05-27 → 2026-07-18 · 3 obs
● 2026-05-27 19:31:36
● 2026-07-18 13:00:38
●NSpdns209.ultradns.org2026-05-27 → 2026-07-18 · 3 obs
● 2026-05-27 19:31:36
● 2026-07-18 13:00:38
○MXp.webcom.ctmail.com2016-01-18 → 2017-05-23 · 4 obs
● 2017-05-23 15:49:04
○ 2026-05-27 19:31:36
○ 2026-07-18 13:00:38
●MXswirsystems.com2026-05-27 → 2026-07-18 · 3 obs
● 2026-05-27 19:31:36
● 2026-07-18 13:00:38
○A69.63.144.2432015-10-31 → 2017-05-23 · 4 obs
● 2017-05-23 15:49:04
○ 2026-05-27 19:31:36
○ 2026-07-18 13:00:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net... | - |
| swirsystems.com | pdns209.ultradns.net, pdns209.ultradns.com, pdns209.ultradns.biz, pdns209.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.65.209
NS records: pdns209.ultradns.net, pdns209.ultradns.com, pdns209.ultradns.biz, pdns209.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for swirsystems.com (unsigned zone)
⏱️ Timing
Total: 722ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | pdns209.ultradns.biz, pdns209.ultradns.com... |
| MX | 1 | swirsystems.com (pri: 10) |
| SOA | 1 | pdns209.ultradns.com dnsadmin.utc.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns209.ultradns.com, pdns209.ultradns.com)
Analysis
Mail Server Role
swirsystems.com serves as a mail server for swirsystems.com.
Name Servers
Four name servers handle the delegation for swirsystems.com: pdns209.ultradns.biz, pdns209.ultradns.com, pdns209.ultradns.net and pdns209.ultradns.org.
swirsystems.com has at least partial name server overlap with other domains, such as otis.bj.cn, digital-elevator.com, f119.com and two others.
pdns5.ultradns.info, pdns1.ultradns.net and pdns2.ultradns.net — plus 3 other name servers — are commonly paired with these name servers.
pdns209.ultradns.biz, pdns209.ultradns.com, pdns209.ultradns.net and pdns209.ultradns.org all point to exactly two IP numbers each: pdns209.ultradns.biz → 156.154.66.209 and 2610:a1:1015::f5; pdns209.ultradns.com → 156.154.64.209 and 2001:502:f3ff::f5; pdns209.ultradns.net → 156.154.65.209 and 2610:a1:1014::f5; pdns209.ultradns.org → 156.154.67.209 and 2001:502:4612::f5.
Mail Servers
swirsystems.com uses exactly one mail server, which is swirsystems.com.