sersd.org - dns.ninja
sersd.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=1782767489 | ||||||
Subdomains
www.sersd.org |
Same first word
Similar names
DNS History
19 records (12 active, 7 former)
○NSceltns1.celtcorp.com2015-08-18 → 2016-05-24 · 4 obs
● 2016-05-24 23:38:04
○ 2016-09-03 09:39:18
○ 2026-06-29 21:48:50
○NSdarwin.mec.edu2016-09-03 → 2017-09-13 · 5 obs
● 2016-09-03 09:39:18
● 2017-09-13 04:18:02
○ 2026-02-28 01:45:30
○ 2026-06-29 21:48:50
○NSfreud.mec.edu2016-09-03 → 2017-09-13 · 5 obs
● 2016-09-03 09:39:18
● 2017-09-13 04:18:02
○ 2026-02-28 01:45:30
○ 2026-06-29 21:48:50
●NSmmhm.comcastbusiness.net2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
●NSns1.comcastbusiness.net2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
○NSns1.integrityschool.com2015-08-18 → 2016-05-24 · 4 obs
● 2016-05-24 23:38:04
○ 2016-09-03 09:39:18
○ 2026-06-29 21:48:50
●NSns2.comcastbusiness.net2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
●NSns3.comcastbusiness.net2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
●NSns4.comcastbusiness.net2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
●NSns5.comcastbusiness.net2026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
●MXalt1.aspmx.l.google.com2015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 21:48:50
●MXalt2.aspmx.l.google.com2015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 21:48:50
●MXaspmx.l.google.com2015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 21:48:50
●MXaspmx2.googlemail.com2015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 21:48:50
●MXaspmx3.googlemail.com2015-08-18 → 2026-06-29 · 2 obs
● 2026-06-29 21:48:50
○A143.95.236.762017-04-26 → 2017-09-13 · 5 obs
● 2017-04-26 19:39:04
● 2017-09-13 04:18:02
○ 2026-02-28 01:45:30
○ 2026-06-29 21:48:50
●A34.238.178.1412026-02-28 → 2026-06-29 · 3 obs
● 2026-02-28 01:45:30
● 2026-06-29 21:48:50
○A50.200.48.1072015-08-18 → 2016-05-24 · 4 obs
● 2016-05-24 23:38:04
○ 2016-09-03 09:39:18
○ 2026-06-29 21:48:50
○A50.235.64.852016-09-03 → 2016-11-02 · 5 obs
● 2016-09-03 09:39:18
● 2016-11-02 06:52:54
○ 2017-04-26 19:39:04
○ 2026-06-29 21:48:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| sersd.org | ns2.comcastbusiness.net, ns1.comcastbusiness.net | - |
✅ Authoritative Response
Server:68.87.85.132
NS records: ns2.comcastbusiness.net, ns1.comcastbusiness.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sersd.org (unsigned zone)
⏱️ Timing
Total: 812ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.238.178.141 |
| NS | 5 | ns2.comcastbusiness.net, ns3.comcastbusiness.net... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 5 | apple-domain-verification=HsxAsfBkxIc8Sl, apple-domain-verification=nSO7IbY5adVTTy... |
| SOA | 1 | mmhm.comcastbusiness.net hostmaster.comc |
Analysis
Hierarchy
sersd.org is a parent domain of www.sersd.org.
IP Addresses
sersd.org points to a single IP number: 34.238.178.141.
Additional host names — nrschools.org, pekinhigh.net, beltschool.com and two others — share IP numbers with sersd.org.
Name Servers
sersd.org has 6 name servers — mmhm.comcastbusiness.net, ns1.comcastbusiness.net, ns2.comcastbusiness.net and 3 others.
sersd.org shares at least some of its name servers with other domains, including 184.8.173.in-addr.arpa, 11.12.173.in-addr.arpa, 187.194.50.in-addr.arpa and two others.
These name servers are frequently seen alongside ns3.comcastbusiness.net, ns4.comcastbusiness.net, ns5.comcastbusiness.net and 5 other name servers.
Host names with two IP numbers:
ns1.comcastbusiness.net resolves to 69.252.250.103 and 2001:558:fe23:8:69:252:250:103.
ns2.comcastbusiness.net resolves to 68.87.85.132 and 2001:558:1004:7:68:87:85:132.
ns3.comcastbusiness.net resolves to 68.87.76.228 and 2001:558:1014:c:68:87:76:228.
ns4.comcastbusiness.net resolves to 68.87.68.244 and 2001:558:100a:5:68:87:68:244.
ns5.comcastbusiness.net resolves to 68.87.72.244 and 2001:558:100e:5:68:87:72:244.
Host names pointing to a single IP address:
mmhm.comcastbusiness.net resolves to 69.252.239.101.
Mail Servers
Mail for sersd.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
sersd.org shares mail servers — at least in part — with other domains, including linc.community, ns500754.ns500754.ns500671.ns500731.ns500671.ns500731.ns500671.ns500671.ns500678.ns500671.ns500704.ns500671.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500671.ns500754.ns500754.ns500742.ns500705.ns500704.ns500688.ns500291.ns500649.tenderladiesbz.com and two others.
These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.
Host names with two IP numbers:
aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to 142.251.16.27 and 2607:f8b0:4004:c0b::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 172.253.116.27 and 2a00:1450:400b:c02::1b.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.27 IP addresses.