refbase.de - dns.ninja
refbase.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.135.82🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd13424.kasserver.com | ||||||
| NS | ns5.kasserver.com ⭐ | ||||||
| A | 85.13.128.3🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns5.kasserver.com | ||||||
| NS | ns6.kasserver.com | ||||||
| A | 85.13.159.101🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich | ||||||
| PTR | ns6.kasserver.com | ||||||
| MX | w01b2070.kasserver.com ⭐ | ||||||
| A | 85.13.135.82🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd13424.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2602251310 | ||||||
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=1783917462 | ||||||
Subdomains
mail.refbase.de |
Same first word
Similar names
bersafe.cloud |
baseref.com |
absfree.org |
besafer.net |
asbfree.com |
farbees.com |
farbsee.at |
besafer.info |
besafer.com |
aferbes.com |
absfree.com |
freeabs.com |
DNS History
10 records (4 active, 6 former)
○NSdns1.mivitec.de2015-07-12 → 2015-11-16 · 4 obs
● 2015-11-16 13:27:28
○ 2016-02-25 19:41:04
○ 2026-07-13 05:01:04
○NSdns1.mivitec.net2016-02-25 → 2017-03-17 · 5 obs
● 2016-02-25 19:41:04
● 2017-03-17 14:29:06
○ 2026-04-10 07:40:42
○ 2026-07-13 05:01:04
○NSdns2.mivitec.de2016-02-25 → 2017-03-17 · 5 obs
● 2016-02-25 19:41:04
● 2017-03-17 14:29:06
○ 2026-04-10 07:40:42
○ 2026-07-13 05:01:04
○NSdns2.mivitec.net2015-07-12 → 2015-11-16 · 4 obs
● 2015-11-16 13:27:28
○ 2016-02-25 19:41:04
○ 2026-07-13 05:01:04
●NSns5.kasserver.com2026-04-10 → 2026-07-13 · 3 obs
● 2026-04-10 07:40:42
● 2026-07-13 05:01:04
●NSns6.kasserver.com2026-04-10 → 2026-07-13 · 3 obs
● 2026-04-10 07:40:42
● 2026-07-13 05:01:04
○MXmail.refbase.de2015-07-12 → 2017-03-17 · 4 obs
● 2017-03-17 14:29:06
○ 2026-04-10 07:40:42
○ 2026-07-13 05:01:04
●MXw01b2070.kasserver.com2026-04-10 → 2026-07-13 · 3 obs
● 2026-04-10 07:40:42
● 2026-07-13 05:01:04
●A85.13.135.822026-04-10 → 2026-07-13 · 3 obs
● 2026-04-10 07:40:42
● 2026-07-13 05:01:04
○A91.90.146.352015-07-12 → 2017-03-17 · 4 obs
● 2017-03-17 14:29:06
○ 2026-04-10 07:40:42
○ 2026-07-13 05:01:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| refbase.de | ns5.kasserver.com, ns6.kasserver.com | - |
✅ Authoritative Response
Server:85.13.159.101
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refbase.de (unsigned zone)
⏱️ Timing
Total: 1138ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.135.82 |
| NS | 2 | ns5.kasserver.com, ns6.kasserver.com |
| MX | 1 | w01b2070.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
mail.refbase.de is delegated beneath refbase.de.
IP Addresses
refbase.de resolves to just one IP address, 85.13.135.82.
Two other host names, along with w01b20f8.kasserver.com, keypointsapp.net and mx2.hardtec.de, also share IP numbers with refbase.de.
Name Servers
The NS records for refbase.de delegate to ns5.kasserver.com and ns6.kasserver.com.
refbase.de shares its NS records with other domains, for example szczepan.info, xn--snksen-kampen-imb.de, charter-check.de and two others.
There is at least partial name server overlap between refbase.de and other domains — astronja.de, michael-skirlo.de, dullenberg.de and two more among them.
These name servers tend to appear in combination with the name servers ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.
ns5.kasserver.com → 85.13.128.3 and ns6.kasserver.com → 85.13.159.101: one IP number per host name.
Mail Servers
The sole mail server for refbase.de is w01b2070.kasserver.com.
w01b2070.kasserver.com resolves to 85.13.135.82 and no other IP number.