masters-sv.com - robtex.com
masters-sv.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:86cd🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:19df🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.25.223Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.134.205🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | karsyn.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26c2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karsyn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | karsyn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22c2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | karsyn.ns.cloudflare.com | ||||||
| A | 108.162.194.194🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karsyn.ns.cloudflare.com | ||||||
| A | 162.159.38.194Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karsyn.ns.cloudflare.com | ||||||
| A | 172.64.34.194🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karsyn.ns.cloudflare.com | ||||||
| NS | kolton.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c19🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kolton.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c319🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kolton.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2319🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kolton.ns.cloudflare.com | ||||||
| A | 108.162.195.25🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kolton.ns.cloudflare.com | ||||||
| A | 162.159.44.25Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kolton.ns.cloudflare.com | ||||||
| A | 172.64.35.25🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kolton.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.25.223, 172.67.134.205 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:86cd, 2606:4700:3033::6815:19df | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com | ||||||
| SOA | karsyn.ns.cloudflare.comdns@cloudflare.com serial=2401057227 | ||||||
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=1776213127 | ||||||
Same first word
masters-sv.com |
DNS History
11 records (6 active, 5 former)
●NSkarsyn.ns.cloudflare.com2026-03-01 → 2026-04-15 · 3 obs
● 2026-03-01 16:35:42
● 2026-04-15 00:47:12
●NSkolton.ns.cloudflare.com2026-03-01 → 2026-04-15 · 3 obs
● 2026-03-01 16:35:42
● 2026-04-15 00:47:12
○NSuns01.lolipop.jp2015-08-15 → 2017-03-26 · 4 obs
● 2017-03-26 17:28:18
○ 2026-03-01 16:35:42
○ 2026-04-15 00:47:12
○NSuns02.lolipop.jp2015-08-15 → 2017-03-26 · 4 obs
● 2017-03-26 17:28:18
○ 2026-03-01 16:35:42
○ 2026-04-15 00:47:12
○MXmx01.lolipop.jp2015-08-15 → 2017-03-26 · 4 obs
● 2017-03-26 17:28:18
○ 2026-03-01 16:35:42
○ 2026-04-15 00:47:12
●A104.21.25.2232026-03-01 → 2026-04-15 · 3 obs
● 2026-03-01 16:35:42
● 2026-04-15 00:47:12
○A157.7.107.1482016-08-07 → 2017-03-26 · 5 obs
● 2016-08-07 21:56:52
● 2017-03-26 17:28:18
○ 2026-03-01 16:35:42
○ 2026-04-15 00:47:12
●A172.67.134.2052026-03-01 → 2026-04-15 · 3 obs
● 2026-03-01 16:35:42
● 2026-04-15 00:47:12
○A203.189.109.832015-08-15 → 2016-03-24 · 4 obs
● 2016-03-24 16:41:26
○ 2016-08-07 21:56:52
○ 2026-04-15 00:47:12
●A2606:4700:3031::ac43:86cd2026-03-01 → 2026-04-15 · 3 obs
● 2026-03-01 16:35:42
● 2026-04-15 00:47:12
●A2606:4700:3033::6815:19df2026-03-01 → 2026-04-15 · 3 obs
● 2026-03-01 16:35:42
● 2026-04-15 00:47:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net... | - |
| masters-sv.com | karsyn.ns.cloudflare.com, kolton.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.194
NS records: karsyn.ns.cloudflare.com, kolton.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masters-sv.com (unsigned zone)
⏱️ Timing
Total: 167ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.25.223, 172.67.134.205 |
| AAAA | 2 | 2606:4700:3031::ac43:86cd, 2606:4700:3033::6815:19df |
| NS | 2 | karsyn.ns.cloudflare.com, kolton.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | karsyn.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (karsyn.ns.cloudflare.com, karsyn.ns.cloudflare.com, karsyn.ns.cloudflare.com...)
Analysis
IP Addresses
masters-sv.com points to four IP numbers: 2606:4700:3031::ac43:86cd, 2606:4700:3033::6815:19df, 104.21.25.223 and 172.67.134.205.
Other host names, for instance www.watlow.fr, euro.ip4all.pushline.com, gator880.ip4all.pushline.com, asia.ip4all.pushline.com and slokino.com share IP numbers with masters-sv.com.
Name Servers
masters-sv.com's delegation is to two name servers karsyn.ns.cloudflare.com and kolton.ns.cloudflare.com.
masters-sv.com shares the same name server configuration as other domains, such as robinsonswoodcrafts.com, rayanaweld.com, betway.africa, maharojgaar.com and wla234yo.bond.
masters-sv.com at least partially shares its name servers with other domains, for instance albayrakburak.com, shcn.net, patrologue.com, jn298.com and feysbuuk.com.
These name servers are commonly used alongside braden.ns.cloudflare.com and monroe.ns.cloudflare.com.
Host names with six IP numbers:
karsyn.ns.cloudflare.com points to: 2606:4700:50::a29f:26c2, 2803:f800:50::6ca2:c2c2, 2a06:98c1:50::ac40:22c2, 108.162.194.194, 162.159.38.194 and 172.64.34.194.
kolton.ns.cloudflare.com points to: 2606:4700:58::a29f:2c19, 2803:f800:50::6ca2:c319, 2a06:98c1:50::ac40:2319, 108.162.195.25, 162.159.44.25 and 172.64.35.25.