ntpcblock.com - robtex.com
ntpcblock.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:8a24🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:1aae🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.174Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.36🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | coleman.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c340🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2340🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 108.162.195.64🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 162.159.44.64Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| A | 172.64.35.64🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coleman.ns.cloudflare.com | ||||||
| NS | itzel.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:262a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c22a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:222a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 108.162.194.42🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 162.159.38.42Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 172.64.34.42🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| MX | mx.stackmail.com ⭐ | ||||||
| A | 185.151.28.67🇬🇧 TWENTYI185.151.28.0/24 | ||||||
| PTR | mx.stackmail.com | ||||||
| TXT | v=spf1 include:spf.stackmail.com a mx -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.26.174, 172.67.138.36 | ||||||
| IPv6 | 2606:4700:3035::ac43:8a24, 2606:4700:3037::6815:1aae | ||||||
| SOA | coleman.ns.cloudflare.comdns@cloudflare.com serial=2397301976 | ||||||
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=1771291435 | ||||||
Same first word
ntpcblock.com |
DNS History
10 records (7 active, 3 former)
●NScoleman.ns.cloudflare.com2026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 17:36:56
● 2026-03-23 03:29:32
○NSens1.net-chinese.com.tw2018-06-12 → 2018-06-12 · 3 obs
○ 2026-02-21 17:36:56
○ 2026-03-23 03:29:32
○NSens2.net-chinese.com.tw2018-06-12 → 2018-06-12 · 3 obs
○ 2026-02-21 17:36:56
○ 2026-03-23 03:29:32
●NSitzel.ns.cloudflare.com2026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 17:36:56
● 2026-03-23 03:29:32
●MXmx.stackmail.com2026-02-21 → 2026-03-23 · 2 obs
● 2026-03-23 03:29:32
●A104.21.26.1742026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 17:36:56
● 2026-03-23 03:29:32
●A172.67.138.362026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 17:36:56
● 2026-03-23 03:29:32
○A210.71.186.1552018-06-12 → 2018-06-12 · 3 obs
○ 2026-02-21 17:36:56
○ 2026-03-23 03:29:32
●A2606:4700:3035::ac43:8a242026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 17:36:56
● 2026-03-23 03:29:32
●A2606:4700:3037::6815:1aae2026-02-21 → 2026-03-23 · 3 obs
● 2026-02-21 17:36:56
● 2026-03-23 03:29:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ntpcblock.com | itzel.ns.cloudflare.com, coleman.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.64
NS records: itzel.ns.cloudflare.com, coleman.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ntpcblock.com (unsigned zone)
⏱️ Timing
Total: 230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.138.36, 104.21.26.174 |
| AAAA | 2 | 2606:4700:3037::6815:1aae, 2606:4700:3035::ac43:8a24 |
| NS | 2 | coleman.ns.cloudflare.com, itzel.ns.cloudflare.com |
| MX | 1 | mx.stackmail.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.stackmail.com a mx -a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coleman.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (itzel.ns.cloudflare.com, itzel.ns.cloudflare.com, itzel.ns.cloudflare.com...)
Analysis
IP Addresses
ntpcblock.com points to four IP numbers: 2606:4700:3035::ac43:8a24, 2606:4700:3037::6815:1aae, 104.21.26.174 and 172.67.138.36.
Other host names, for instance rogz.cz, asr-law.co.il, turins.com.tr, status.gridpapaservers.com and alcagrup.ro share IP numbers with ntpcblock.com.
Name Servers
Delegation for ntpcblock.com rests with two name servers, coleman.ns.cloudflare.com and itzel.ns.cloudflare.com.
ntpcblock.com shares the same name server setup as other domains, including teshmont.com, beutifulmagazine.com, shopnhatviet.com, pattymacsrestaurant.com and jappop.com.
ntpcblock.com at least partially shares name servers with other domains, for instance warmfieldcompass.life, vtb.tips, xmmbx.com, ponadto.pl and bmama.cn.
these name servers are commonly used with jason.ns.cloudflare.com, fish.ns.cloudflare.com and santino.ns.cloudflare.com.
Host names with six IP numbers: coleman.ns.cloudflare.com points to: 2606:4700:58::a29f:2c40, 2803:f800:50::6ca2:c340, 2a06:98c1:50::ac40:2340, 108.162.195.64, 162.159.44.64 and 172.64.35.64. itzel.ns.cloudflare.com points to: 2606:4700:50::a29f:262a, 2803:f800:50::6ca2:c22a, 2a06:98c1:50::ac40:222a, 108.162.194.42, 162.159.38.42 and 172.64.34.42.
Mail Servers
ntpcblock.com is handled by a single mail server, mx.stackmail.com.
ntpcblock.com uses the same mail server configuration as other domains, such as novel6s.com, jobs4u.uk.com, palmandfinger.com, turkdean.co.uk and stichtinggerardsanderink.nl.
mx.stackmail.com points to a single IP: 185.151.28.67.