refb.org - dns.ninja
refb.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=1782662506 | ||||||
rank #48140 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (79/100)
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSns05.domaincontrol.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
●NSns06.domaincontrol.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
●MXalt1.aspmx.l.google.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
●MXalt2.aspmx.l.google.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
●MXaspmx.l.google.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
●MXaspmx2.googlemail.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
●MXaspmx3.googlemail.com2015-07-12 → 2026-06-28 · 2 obs
● 2026-06-28 16:30:58
○A50.87.248.2032015-07-12 → 2016-05-01 · 4 obs
● 2016-05-01 11:53:08
○ 2026-03-28 00:03:02
○ 2026-06-28 16:30:58
●A52.5.5.852026-03-28 → 2026-06-28 · 3 obs
● 2026-03-28 00:03:02
● 2026-06-28 16:30:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| refb.org | ns05.domaincontrol.com, ns06.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.70.3
NS records: ns05.domaincontrol.com, ns06.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refb.org (unsigned zone)
⏱️ Timing
Total: 1021ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.5.5.85 |
| NS | 2 | ns05.domaincontrol.com, ns06.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | e2ma-verification=50hfb, lxpqc9zl81qj70vmsj6k50lkf9x713db... |
| SOA | 1 | ns05.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
refb.org directs to one IP number, which is 52.5.5.85.
Among the host names that share IP numbers with refb.org are riversidenaturecenter.org, vizirocks.com, goldcrest.net and two others.
Name Servers
refb.org uses two name servers for its delegation: ns05.domaincontrol.com and ns06.domaincontrol.com.
refb.org has the same name server delegation as a number of other domains, such as dhansolutions.com, robert-ellis.net, gtaglobal.in and two more.
The two host names ns05.domaincontrol.com and ns06.domaincontrol.com each have a pair of IP addresses: ns05.domaincontrol.com has 97.74.102.3 and 2603:5:2160::3, and ns06.domaincontrol.com has 173.201.70.3 and 2603:5:2260::3.
Mail Servers
refb.org is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
refb.org shares at least some of its mail servers with other domains — for example ns500599.ns500724.ns500599.ns500737.ns500737.ns500599.ns500737.ns500599.ns500737.ns500737.ns500724.ns500737.ns500697.ns500669.ns500669.yummyflingsfinder.com, ns500698.ns500759.ns500698.ns500698.ns500758.ns500736.ns500735.ns500735.ns500698.ns500708.ns500698.ns500708.ns500698.ns500652.trackreceptor.com, ns500765.ns500693.ns500734.ns500699.ns500734.ns500734.ns500693.ns500683.ns500578.ns500110.dtrkdll.com and two more.
It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com directs traffic to 172.253.63.26 and 2607:f8b0:4004:c06::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1b IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.27 IP addresses each.