firstclass-libro.com - robtex.com
firstclass-libro.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:1d52🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:ab6e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.29.82Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.110🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | hank.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b74🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hank.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c174🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hank.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2174🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hank.ns.cloudflare.com | ||||||
| A | 108.162.193.116🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hank.ns.cloudflare.com | ||||||
| A | 172.64.33.116🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hank.ns.cloudflare.com | ||||||
| A | 173.245.59.116🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hank.ns.cloudflare.com | ||||||
| NS | lucy.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a85🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lucy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c085🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lucy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2085🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lucy.ns.cloudflare.com | ||||||
| A | 108.162.192.133🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lucy.ns.cloudflare.com | ||||||
| A | 172.64.32.133🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lucy.ns.cloudflare.com | ||||||
| A | 173.245.58.133🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lucy.ns.cloudflare.com | ||||||
| MX | mx.firstclass-libro.com ⭐ | ||||||
| A | 94.177.191.31🇮🇹 ARUBA-ASN94.177.160.0/19 Aruba S.p.A. Network | ||||||
| PTR | host31-191-177-94.serverdedicati.aruba.it | ||||||
| TXT | v=spf1 a mx ptr ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.29.82, 172.67.171.110 | ||||||
| IPv6 | 2606:4700:3031::6815:1d52, 2606:4700:3031::ac43:ab6e | ||||||
| SOA | hank.ns.cloudflare.comdns@cloudflare.com serial=2396866701 | ||||||
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 | ||||||
Up
mx.firstclass-libro.com |
Same first word
firstclass-libro.com |
DNS History
11 records (7 active, 4 former)
●NShank.ns.cloudflare.com2017-08-13 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
●NSlucy.ns.cloudflare.com2017-08-13 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
●MXmx.firstclass-libro.com2017-08-13 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
●A104.21.29.822026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
○A104.28.26.2072017-08-13 → 2017-08-13 · 2 obs
○ 2026-02-25 20:17:24
○A104.28.27.2072017-08-13 → 2017-08-13 · 2 obs
○ 2026-02-25 20:17:24
●A172.67.171.1102026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
○A2400:cb00:2048:1::681c:1acf2017-08-13 → 2017-08-13 · 2 obs
○ 2026-02-25 20:17:24
○A2400:cb00:2048:1::681c:1bcf2017-08-13 → 2017-08-13 · 2 obs
○ 2026-02-25 20:17:24
●A2606:4700:3031::6815:1d522026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
●A2606:4700:3031::ac43:ab6e2026-02-25 → 2026-02-25 · 2 obs
● 2026-02-25 20:17:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| firstclass-libro.com | hank.ns.cloudflare.com, lucy.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.193.116
NS records: hank.ns.cloudflare.com, lucy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclass-libro.com (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.29.82, 172.67.171.110 |
| AAAA | 2 | 2606:4700:3031::6815:1d52, 2606:4700:3031::ac43:ab6e |
| NS | 2 | hank.ns.cloudflare.com, lucy.ns.cloudflare.com |
| MX | 1 | mx.firstclass-libro.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ptr ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hank.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (hank.ns.cloudflare.com, hank.ns.cloudflare.com, hank.ns.cloudflare.com...)
AI analysis
The parent of mx.firstclass-libro.com is firstclass-libro.com.
firstclass-libro.com points to four IP numbers: 2606:4700:3031::6815:1d52, 2606:4700:3031::ac43:ab6e, 104.21.29.82 and 172.67.171.110.
Other host names, for instance skycloudstar.com, mediamoves.com, tahseen-me.com, pixa.eu and www.weab.fr share IP numbers with firstclass-libro.com.
firstclass-libro.com is delegated to two name servers: hank.ns.cloudflare.com and lucy.ns.cloudflare.com.
firstclass-libro.com uses the same name server setup as other domains, for instance airsoftgiforum.com, 02468.org, jackpot.md, playblitz600.top and grdnfoods.com.
firstclass-libro.com shares name servers with other domains at least partially, for instance imagebank.io, raisingbaby.com, 12coinsl.com, nuoathletics.com and dropbot.sh.
these name servers are often used with dolly.ns.cloudflare.com, cody.ns.cloudflare.com and shubhi.ns.cloudflare.com.
Host names with six IP numbers: hank.ns.cloudflare.com points to 2606:4700:58::adf5:3b74, 2803:f800:50::6ca2:c174, 2a06:98c1:50::ac40:2174, 108.162.193.116, 172.64.33.116 and 173.245.59.116; lucy.ns.cloudflare.com points to 2606:4700:50::adf5:3a85, 2803:f800:50::6ca2:c085, 2a06:98c1:50::ac40:2085, 108.162.192.133, 172.64.32.133 and 173.245.58.133.
The mail server for firstclass-libro.com is mx.firstclass-libro.com.
Host name mx.firstclass-libro.com resolves to IP 94.177.191.31.