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realpython.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=1770528992 | ||||||
rank #4278 in the tld
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #30,353
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survey.realpython.com |
training.realpython.com |
www.realpython.com |
files.realpython.com |
static.realpython.com |
Same first word
realpython.net |
realpython.com |
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| realpython.com | curt.ns.cloudflare.com, joan.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.94
NS records: curt.ns.cloudflare.com, joan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for realpython.com (unsigned zone)
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.66.152.40, 104.20.21.64 |
| AAAA | 2 | 2606:4700:10::ac42:9828, 2606:4700:10::6814:1540 |
| NS | 2 | curt.ns.cloudflare.com, joan.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 7 | ahrefs-site-verification_b23bde4d9aec704, facebook-domain-verification=mq46mq2is4d... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | curt.ns.cloudflare.com dns.cloudflare.co |
AI analysis
realpython.com is a parent of survey.realpython.com, training.realpython.com, www.realpython.com, files.realpython.com and static.realpython.com.
Four IP numbers are pointed to by realpython.com: 2606:4700:10::6814:1540, 2606:4700:10::ac42:9828, 104.20.21.64 and 172.66.152.40.
other host names including www.marketspark.com, axess-industries.com, training.realpython.com, www.realpython.com and files.realpython.com share IP numbers with realpython.com.
realpython.com is delegated to two name servers curt.ns.cloudflare.com and joan.ns.cloudflare.com.
realpython.com shares the same name server setup as other domains, for instance dakred.com, ta3meed.com, dbader.org, pycoders.com and eatdat.com.
realpython.com at least partially shares name servers with other domains, for instance pacmag.com.au, aaaaa.in, gluex.io, cjeelectric.com and brushila.click.
These name servers are commonly used alongside kai.ns.cloudflare.com and khalid.ns.cloudflare.com.
Host names with six IP numbers:
Host name curt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94.
Host name joan.ns.cloudflare.com points to: 2606:4700:50::adf5:3aad, 2803:f800:50::6ca2:c0ad, 2a06:98c1:50::ac40:20ad, 108.162.192.173, 172.64.32.173 and 173.245.58.173.
realpython.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
realpython.com shares some mail servers with other domains, at least partially, for instance ns500758.ns500758.ns500758.ns500759.ns500736.ns500736.ns500736.ns500698.ns500735.ns500708.ns500708.ns500652.ns500652.ns500619.trackreceptor.com, ns500754.ns500671.ns500671.ns500731.ns500742.ns500742.ns500731.ns500742.ns500742.ns500671.ns500678.ns500671.ns500705.ns500671.lustychickser.com, thinka.eu, schoolaid.app and itscasono.com.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c0b::1a and 142.251.111.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26