jmem-koeln.de - robtex.com
jmem-koeln.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1776184120 | ||||||
Subdomains
mail.jmem-koeln.de |
DNS History
11 records (9 active, 2 former)
●NScns1.alfahosting.info2015-06-13 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●NScns2.alfahosting.info2015-06-13 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●NScns3.alfahosting.info2015-06-13 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●MXalt1.aspmx.l.google.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●MXalt2.aspmx.l.google.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●MXalt3.aspmx.l.google.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●MXalt4.aspmx.l.google.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
●MXaspmx.l.google.com2026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
○MXmail.jmem-koeln.de2015-06-13 → 2017-06-17 · 3 obs
● 2017-06-17 23:17:56
○ 2026-04-14 16:52:50
○A109.237.140.122015-06-13 → 2017-06-17 · 3 obs
● 2017-06-17 23:17:56
○ 2026-04-14 16:52:50
●A81.88.34.1292026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 16:52:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| jmem-koeln.de | cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:148.251.254.105
NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jmem-koeln.de (unsigned zone)
⏱️ Timing
Total: 748ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.129 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | v=spf1 include:_spf.google.com ~all, google-site-verification=7iSb9Alz34X4Hg_... |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
jmem-koeln.de is the parent of mail.jmem-koeln.de.
IP Addresses
jmem-koeln.de resolves to a single IP address: 81.88.34.129.
Other host names including mail.moimapache.de, mail.gabibe.de, navel.cc, www.xxl-felgen.de and www.businessliving.de share IP numbers with jmem-koeln.de.
Name Servers
jmem-koeln.de is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
jmem-koeln.de at least partially shares name servers with other domains, including brillen-in-berlin.de, coratis.de, cbs-online.ch, server-setups.de and get-online.de.
Host names with two IP numbers:
cns1.alfahosting.info points to: 2a01:64c0:0:5000::8 and 109.237.142.8
cns2.alfahosting.info points to: 2a01:4f8:2b02:a88::105 and 148.251.254.105
cns3.alfahosting.info points to: 2a02:2b80:101:5000::8 and 109.237.143.8
Mail Servers
jmem-koeln.de 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.
The mail servers for jmem-koeln.de are shared with other domains, for instance ns500754.ns500742.ns500671.ns500742.ns500742.ns500742.ns500688.ns500688.ns500291.ns500666.ns500649.ns500153.tenderladiesbz.com, ns500671.ns500671.ns500671.ns500671.ns500754.ns500704.ns500704.ns500649.ns500649.ns500678.ns500291.ns500131.lustychickser.com, ns500754.ns500754.ns500754.ns500742.ns500742.ns500754.ns500704.ns500705.ns500671.ns500649.ns500671.ns500291.ns500666.ns500291.ns500131.lustychickser.com, ns500759.ns500758.ns500758.ns500759.ns500736.ns500576.ns500698.ns500698.ns500698.ns500576.ns500576.ns500652.ns500652.ns500619.ns500652.tracksymphony.com and ns500731.ns500742.ns500671.ns500742.ns500705.ns500688.ns500704.ns500704.ns500671.ns500291.ns500666.ns500291.ns500291.ns500131.lustychickser.com.
these mail servers are commonly 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:c17::1b and 192.178.155.27.
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26.
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.27.
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26.