writeup.io - robtex.com
writeup.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 72.251.7.22🇨🇦 OVH72.251.0.0/17 Hosting route | ||||||
| PTR | ip22.ip-72-251-7.net | ||||||
| A | 72.251.7.23🇨🇦 OVH72.251.0.0/17 Hosting route | ||||||
| NS | ns1.lander.d.parity.domains ⭐ ⚠️ Not in parent delegation | ||||||
| A | 192.236.150.131🇺🇸 HOSTWINDS-1192.236.128.0/17 MNT-HL-29 route 192.236.128.000/17 AS54290 | ||||||
| NS | dns101.registrar-servers.com ⚠️ Not in zone NS records | ||||||
| A | 192.236.150.131🇺🇸 HOSTWINDS-1192.236.128.0/17 MNT-HL-29 route 192.236.128.000/17 AS54290 | ||||||
| NS | dns102.registrar-servers.com ⚠️ Not in zone NS records | ||||||
| A | 162.222.205.190🇺🇸 IONOS-AS162.222.200.0/21 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| NS | ns2.lander.d.parity.domains ⚠️ Not in parent delegation | ||||||
| A | 162.222.205.190🇺🇸 IONOS-AS162.222.200.0/21 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| SOA | ns1.lander.d.parity.domainshostmaster@lander.d.parity.domains serial=7 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785966905 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSdns101.registrar-servers.com2026-07-16 → 2026-08-05 · 3 obs
● 2026-07-16 14:11:18
● 2026-08-05 22:05:50
●NSdns102.registrar-servers.com2026-07-16 → 2026-08-05 · 3 obs
● 2026-07-16 14:11:18
● 2026-08-05 22:05:50
○NSns1.afternic.com2026-05-29 → 2026-05-29 · 3 obs
○ 2026-07-16 14:11:18
○ 2026-08-05 22:05:50
●NSns1.lander.d.parity.domains2026-07-16 → 2026-08-05 · 3 obs
● 2026-07-16 14:11:18
● 2026-08-05 22:05:50
○NSns2.afternic.com2026-05-29 → 2026-05-29 · 3 obs
○ 2026-07-16 14:11:18
○ 2026-08-05 22:05:50
●NSns2.lander.d.parity.domains2026-07-16 → 2026-08-05 · 3 obs
● 2026-07-16 14:11:18
● 2026-08-05 22:05:50
○A13.248.169.482026-05-29 → 2026-05-29 · 3 obs
○ 2026-07-16 14:11:18
○ 2026-08-05 22:05:50
○A216.227.142.1712026-07-16 → 2026-07-16 · 4 obs
● 2026-07-16 14:11:18
○ 2026-08-05 05:28:04
○ 2026-08-05 22:05:50
●A72.251.7.222026-08-05 → 2026-08-05 · 3 obs
● 2026-08-05 05:28:04
● 2026-08-05 22:05:50
●A72.251.7.232026-08-05 → 2026-08-05 · 3 obs
● 2026-08-05 05:28:04
● 2026-08-05 22:05:50
○A76.223.54.1462026-05-29 → 2026-05-29 · 3 obs
○ 2026-07-16 14:11:18
○ 2026-08-05 22:05:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | b0.nic.io, a2.nic.io, a0.nic.io, c0.nic.io | - |
| writeup.io | dns101.registrar-servers.com, dns102.registrar-servers.com | - |
✅ Authoritative Response
Server:192.236.150.131
NS records: dns101.registrar-servers.com, dns102.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for writeup.io (unsigned zone)
⏱️ Timing
Total: 554ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 72.251.7.22, 72.251.7.23 |
| NS | 2 | ns1.lander.d.parity.domains, ns2.lander.d.parity.domains |
| SOA | 1 | ns1.lander.d.parity.domains hostmaster.l |
Analysis
IP Addresses
writeup.io has two IP addresses: 72.251.7.22 and 72.251.7.23
envybet.com, mail.keyscom.com, (0x706f726e)bourn.pro plus two other host names have IP numbers in common with writeup.io.
Name Servers
Four name servers handle the delegation for writeup.io: dns101.registrar-servers.com, dns102.registrar-servers.com, ns1.lander.d.parity.domains and ns2.lander.d.parity.domains.
The name servers of writeup.io overlap at least partially with those of other domains — among them ns2.infinetserver.net, 1xbet-tqhi.lol, thehighpoint.com and two more.
Each of the host names dns101.registrar-servers.com, dns102.registrar-servers.com, ns1.lander.d.parity.domains and ns2.lander.d.parity.domains has one IP address: dns101.registrar-servers.com resolves to 192.236.150.131, dns102.registrar-servers.com resolves to 162.222.205.190, ns1.lander.d.parity.domains resolves to 192.236.150.131 and ns2.lander.d.parity.domains resolves to 162.222.205.190.
Both dns101.registrar-servers.com and ns1.lander.d.parity.domains resolve to 192.236.150.131 IP addresses each.
Both dns102.registrar-servers.com and ns2.lander.d.parity.domains resolve to 162.222.205.190 IP addresses each.