knowroaming.com - dns.ninja
knowroaming.com
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=1785810007 | ||||||
rank #243960 in the tld
Subdomains
Same first word
knowroaming.com |
knowroaming.ca |
knowroaming.co |
Similar names
DNS History
19 records (10 active, 9 former)
○NSkiki.ns.cloudflare.com2015-10-19 → 2018-05-08 · 5 obs
● 2015-10-19 19:32:12
● 2018-05-08 04:57:22
○ 2026-04-03 04:48:06
○ 2026-08-04 02:34:40
○NSmerlin.ns.cloudflare.com2015-10-19 → 2018-05-08 · 5 obs
● 2015-10-19 19:32:12
● 2018-05-08 04:57:22
○ 2026-04-03 04:48:06
○ 2026-08-04 02:34:40
●NSns-1198.awsdns-21.org2026-04-03 → 2026-08-04 · 3 obs
● 2026-04-03 04:48:06
● 2026-08-04 02:34:40
●NSns-139.awsdns-17.com2026-04-03 → 2026-08-04 · 3 obs
● 2026-04-03 04:48:06
● 2026-08-04 02:34:40
●NSns-1663.awsdns-15.co.uk2026-04-03 → 2026-08-04 · 3 obs
● 2026-04-03 04:48:06
● 2026-08-04 02:34:40
●NSns-881.awsdns-46.net2026-04-03 → 2026-08-04 · 3 obs
● 2026-04-03 04:48:06
● 2026-08-04 02:34:40
○NSns1.knowroaming.com2015-05-30 → 2015-05-30 · 3 obs
○ 2015-10-19 19:32:12
○ 2026-08-04 02:34:40
○NSns2.knowroaming.com2015-05-30 → 2015-05-30 · 3 obs
○ 2015-10-19 19:32:12
○ 2026-08-04 02:34:40
●MXalt1.aspmx.l.google.com2015-05-30 → 2026-08-04 · 2 obs
● 2026-08-04 02:34:40
●MXalt2.aspmx.l.google.com2015-05-30 → 2026-08-04 · 2 obs
● 2026-08-04 02:34:40
●MXaspmx.l.google.com2015-05-30 → 2026-08-04 · 2 obs
● 2026-08-04 02:34:40
●MXaspmx2.googlemail.com2015-05-30 → 2026-08-04 · 2 obs
● 2026-08-04 02:34:40
●MXaspmx3.googlemail.com2015-05-30 → 2026-08-04 · 2 obs
● 2026-08-04 02:34:40
○A149.56.226.362017-01-06 → 2018-05-08 · 5 obs
● 2017-01-06 14:46:38
● 2018-05-08 04:57:22
○ 2026-04-03 04:48:06
○ 2026-08-04 02:34:40
○A149.56.226.372017-01-06 → 2018-05-08 · 5 obs
● 2017-01-06 14:46:38
● 2018-05-08 04:57:22
○ 2026-04-03 04:48:06
○ 2026-08-04 02:34:40
○A162.213.8.1382016-03-26 → 2016-04-27 · 5 obs
● 2016-03-26 01:53:20
● 2016-04-27 15:12:22
○ 2016-08-07 04:18:14
○ 2026-08-04 02:34:40
○A162.213.8.1412016-08-07 → 2016-08-07 · 4 obs
● 2016-08-07 04:18:14
○ 2017-01-06 14:46:38
○ 2026-08-04 02:34:40
○A192.69.132.2172015-05-30 → 2016-03-03 · 4 obs
● 2016-03-03 20:58:08
○ 2016-03-26 01:53:20
○ 2026-08-04 02:34:40
●A76.76.21.212026-04-03 → 2026-08-04 · 3 obs
● 2026-04-03 04:48:06
● 2026-08-04 02:34:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knowroaming.com | ns-139.awsdns-17.com, ns-881.awsdns-46.net, ns-1663.awsdns-15.co.uk, ns-1198.awsdns-21.org | 2 records |
✅ Authoritative Response
Server:205.251.192.139
NS records: ns-139.awsdns-17.com, ns-881.awsdns-46.net, ns-1663.awsdns-15.co.uk, ns-1198.awsdns-21.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1391ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | ns-1198.awsdns-21.org, ns-139.awsdns-17.com... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 4 | facebook-domain-verification=3j83opophph, google-site-verification=67nXL0qpZsAzzr8... |
| SOA | 1 | ns-1198.awsdns-21.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-139.awsdns-17.com, ns-139.awsdns-17.com)
Analysis
Hierarchy
portal.knowroaming.com and support.knowroaming.com are both subdomains of knowroaming.com.
IP Addresses
knowroaming.com resolves to one IP address: 76.76.21.21.
hkshida.com, solupresta.com, app.coworkingfermo.com and two other host names share IP numbers with knowroaming.com.
Name Servers
The authoritative name servers for knowroaming.com are ns-139.awsdns-17.com, ns-881.awsdns-46.net, ns-1198.awsdns-21.org and ns-1663.awsdns-15.co.uk.
knowroaming.com has at least partial name server overlap with other domains, such as bigfarm.co.jp, trustmaker.dk, sequel-software.com and two others.
ns-139.awsdns-17.com, ns-881.awsdns-46.net, ns-1198.awsdns-21.org and ns-1663.awsdns-15.co.uk all point to exactly two IP numbers each: ns-139.awsdns-17.com → 205.251.192.139 and 2600:9000:5300:8b00::1; ns-881.awsdns-46.net → 205.251.195.113 and 2600:9000:5303:7100::1; ns-1198.awsdns-21.org → 205.251.196.174 and 2600:9000:5304:ae00::1; ns-1663.awsdns-15.co.uk → 205.251.198.127 and 2600:9000:5306:7f00::1.
Mail Servers
Mail for knowroaming.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
knowroaming.com has at least partial mail server overlap with other domains such as rubbettino.it, ns500841.ns500821.ns500821.ns500794.ns500794.ns500795.ns500794.ns500795.ns500794.ns500794.ns500795.ns500794.ns500795.ns500795.ns500790.ns500795.lustypartnersfinder.com, bausystem.bg and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com has two IP addresses: 142.251.16.26 and 2607:f8b0:4004:c08::1a.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
Host names pointing to 2a00:1450:400b:c02::1a IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.
Host names pointing to 172.253.116.27 IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.