sfprep.org - dns.ninja
sfprep.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782784656 | ||||||
Subdomains
www.sfprep.org |
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSns51.domaincontrol.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●NSns52.domaincontrol.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●MXalt1.aspmx.l.google.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●MXalt2.aspmx.l.google.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●MXaspmx.l.google.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●MXaspmx2.googlemail.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●MXaspmx3.googlemail.com2015-08-05 → 2026-06-30 · 2 obs
● 2026-06-30 02:15:36
●A192.241.222.2262026-02-18 → 2026-06-30 · 3 obs
● 2026-02-18 18:29:54
● 2026-06-30 02:15:36
○A208.113.209.2322015-08-05 → 2016-11-29 · 4 obs
● 2016-11-29 03:55:38
○ 2026-02-18 18:29:54
○ 2026-06-30 02:15:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| sfprep.org | ns51.domaincontrol.com, ns52.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.105.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfprep.org (unsigned zone)
⏱️ Timing
Total: 610ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.241.222.226 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 10)... |
| TXT | 7 | v=spf1 include:_spf.google.com include:s, spf2.0/pra include:_spf.google.com inclu... |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
sfprep.org is a parent domain of www.sfprep.org.
IP Addresses
sfprep.org resolves to just one IP address, 192.241.222.226.
Two other host names, along with montand.net, mind.sh and coachingaltitude.com, also share IP numbers with sfprep.org.
Name Servers
sfprep.org has two authoritative name servers — ns51.domaincontrol.com and ns52.domaincontrol.com.
sfprep.org shares its NS records with other domains, for example wholestonefarms.com, xhrhub.com, indiaipo.info and two others.
sfprep.org shares at least some of its name servers with other domains, such as fantasyfightleague.com and dialisa.com.
Both ns51.domaincontrol.com and ns52.domaincontrol.com have two IP addresses each. ns51.domaincontrol.com resolves to 97.74.105.26 and 2603:5:2192::1a; ns52.domaincontrol.com resolves to 173.201.73.26 and 2603:5:2292::1a.
Mail Servers
Mail for sfprep.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between sfprep.org and other domains, including ufonepal.com, ns500734.ns500699.ns500699.ns500693.ns500734.ns500734.ns500699.ns500683.ns500683.ns500612.ns500612.ns500683.ns500632.ns500632.ns500612.dtrkdll.com, ns500698.ns500759.ns500758.ns500698.ns500736.ns500735.ns500736.ns500708.ns500619.ns500576.ns500619.trackreceptor.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to 142.251.167.27 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1a IP addresses.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.27 IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1b IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.