rtcbv.com - dns.ninja
rtcbv.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=1783737107 | ||||||
Same first word
rtcbv.com |
Similar names
DNS History
25 records (15 active, 10 former)
●NSdns1.name-services.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●NSdns2.name-services.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●NSdns3.name-services.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●NSdns4.name-services.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●NSdns5.name-services.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●MXalt1.aspmx.l.google.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●MXalt2.aspmx.l.google.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●MXaspmx.l.google.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●MXaspmx2.googlemail.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●MXaspmx3.googlemail.com2017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●A216.239.32.212017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●A216.239.34.212017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●A216.239.36.212017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●A216.239.38.212017-02-03 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
●A2607:f8b0:4002:c0f::792026-07-11 → 2026-07-11 · 2 obs
● 2026-07-11 02:48:20
○A2607:f8b0:4004:c0b::792026-06-20 → 2026-06-20 · 4 obs
● 2026-06-20 07:17:30
○ 2026-06-24 04:58:30
○ 2026-07-11 02:48:20
○A2607:f8b0:4005:802::20132019-12-28 → 2019-12-28 · 4 obs
● 2019-12-28 17:02:02
○ 2026-02-18 03:34:44
○ 2026-07-11 02:48:20
○A2607:f8b0:4008:803::20132026-06-29 → 2026-06-29 · 3 obs
● 2026-06-29 06:04:36
○ 2026-07-11 02:48:20
○A2607:f8b0:4008:816::20132026-06-24 → 2026-06-24 · 4 obs
● 2026-06-24 04:58:30
○ 2026-06-29 06:04:36
○ 2026-07-11 02:48:20
○A2607:f8b0:400f:800::20132026-04-18 → 2026-05-26 · 6 obs
● 2026-04-18 13:49:10
○ 2026-05-08 08:13:06
● 2026-05-26 06:11:44
○ 2026-05-26 06:54:02
○ 2026-07-11 02:48:20
○A2607:f8b0:400f:801::20132026-03-22 → 2026-05-26 · 9 obs
● 2026-03-22 07:48:38
○ 2026-03-22 19:45:14
● 2026-03-29 11:39:22
○ 2026-04-03 00:24:34
○ 2026-05-26 06:11:44
● 2026-05-26 06:54:02
○ 2026-06-20 07:17:30
○ 2026-07-11 02:48:20
○A2607:f8b0:400f:805::20132026-02-18 → 2026-02-18 · 4 obs
● 2026-02-18 03:34:44
○ 2026-03-07 04:34:02
○ 2026-07-11 02:48:20
○A2607:f8b0:400f:806::20132026-03-22 → 2026-05-08 · 10 obs
● 2026-03-22 19:45:14
○ 2026-03-29 11:39:22
● 2026-04-03 00:24:34
○ 2026-04-08 08:16:30
● 2026-04-10 00:10:58
○ 2026-04-18 13:49:10
● 2026-05-08 08:13:06
○ 2026-05-26 06:11:44
○ 2026-07-11 02:48:20
○A2607:f8b0:4023:1803::792026-04-08 → 2026-04-08 · 4 obs
● 2026-04-08 08:16:30
○ 2026-04-10 00:10:58
○ 2026-07-11 02:48:20
○A2607:f8b0:4023:1804::792026-03-07 → 2026-03-08 · 5 obs
● 2026-03-07 04:34:02
● 2026-03-08 15:20:34
○ 2026-03-22 07:48:38
○ 2026-07-11 02:48:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rtcbv.com | dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com... | 10 records |
✅ Authoritative Response
Server:64.98.148.137
NS records: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com, dns5.name-services.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtcbv.com (unsigned zone)
⏱️ Timing
Total: 347ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.36.21, 216.239.38.21... |
| AAAA | 1 | 2607:f8b0:4002:c0f::79 |
| NS | 5 | dns4.name-services.com, dns3.name-services.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), aspmx2.googlemail.com (pri: 10)... |
| TXT | 3 | MS=ms13349582, v=spf1 include:_spf.google.com ?all... |
| SOA | 1 | dns1.name-services.com info.name-service |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (dns1.name-services.com, dns1.name-services.com, dns2.name-services.com...)
Analysis
IP Addresses
rtcbv.com resolves to five IP addresses: 216.239.32.21, 216.239.34.21, 216.239.36.21 and two others
Additional host names — avikco.com, emkirk.com, lainguyen.com and two others — share IP numbers with rtcbv.com.
Name Servers
Delegation for rtcbv.com is to five name servers: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com and two others.
rtcbv.com has at least partial name server overlap with other domains, such as wikzo.com, mushield.com, mcrinternational.org and two others.
It is common to see these name servers used together with name servers dns5.name-services.com and dns4.name-services.com.
Host names with two IP numbers:
The A records for dns1.name-services.com return 64.98.148.137 and 2604:4000:2800:2000:64:98:148:137.
The A records for dns2.name-services.com return 216.40.47.201 and 2604:4000:0:d:216:40:47:201.
The A records for dns3.name-services.com return 64.98.148.138 and 2604:4000:2800:2000:64:98:148:138.
The A records for dns4.name-services.com return 216.40.47.202 and 2604:4000:0:d:216:40:47:202.
The A records for dns5.name-services.com return 64.98.148.139 and 2604:4000:2800:2000:64:98:148:139.
Mail Servers
rtcbv.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
rtcbv.com shares mail servers — at least in part — with other domains, including hashemian.com, researchfarm.co.uk, ns500754.ns500671.ns500754.ns500704.ns500671.ns500742.ns500671.ns500731.ns500671.ns500705.ns500704.ns500671.ns500649.ns500649.lustychickser.com and two others.
These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.
Host names with two IP numbers:
The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.
The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
The A records for aspmx.l.google.com return 192.178.155.27 and 2607:f8b0:4004:c06::1a.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1a IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.27 IP addresses.