fbb.dk - dns.ninja
fbb.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1782278461localtime Wed Jun 24 07:21:01 2026gmtime Wed Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1782278461 | ||||||
Subdomains
smtp-mx.fbb.dk |
Same first word
Similar names
DNS History
14 records (8 active, 6 former)
●NSns01.one.com2026-02-15 → 2026-06-24 · 3 obs
● 2026-02-15 13:15:26
● 2026-06-24 06:05:20
●NSns02.one.com2026-02-15 → 2026-06-24 · 3 obs
● 2026-02-15 13:15:26
● 2026-06-24 06:05:20
○NSns1.gratisdns.dk2015-07-16 → 2017-05-23 · 4 obs
● 2017-05-23 19:58:06
○ 2026-02-15 13:15:26
○ 2026-06-24 06:05:20
○NSns2.gratisdns.dk2015-07-16 → 2017-05-23 · 4 obs
● 2017-05-23 19:58:06
○ 2026-02-15 13:15:26
○ 2026-06-24 06:05:20
○NSns3.gratisdns.dk2015-07-16 → 2017-05-23 · 4 obs
● 2017-05-23 19:58:06
○ 2026-02-15 13:15:26
○ 2026-06-24 06:05:20
○NSns4.gratisdns.dk2015-07-16 → 2017-05-23 · 4 obs
● 2017-05-23 19:58:06
○ 2026-02-15 13:15:26
○ 2026-06-24 06:05:20
○NSns5.gratisdns.dk2015-07-16 → 2017-05-23 · 4 obs
● 2017-05-23 19:58:06
○ 2026-02-15 13:15:26
○ 2026-06-24 06:05:20
●MXalt1.aspmx.l.google.com2015-07-16 → 2026-06-24 · 2 obs
● 2026-06-24 06:05:20
●MXalt2.aspmx.l.google.com2015-07-16 → 2026-06-24 · 2 obs
● 2026-06-24 06:05:20
●MXaspmx.l.google.com2015-07-16 → 2026-06-24 · 2 obs
● 2026-06-24 06:05:20
●MXaspmx2.googlemail.com2015-07-16 → 2026-06-24 · 2 obs
● 2026-06-24 06:05:20
●MXaspmx3.googlemail.com2015-07-16 → 2026-06-24 · 2 obs
● 2026-06-24 06:05:20
●A185.21.41.612016-01-31 → 2026-06-24 · 3 obs
● 2016-01-31 00:58:30
● 2026-06-24 06:05:20
○A85.25.3.232015-07-16 → 2015-12-08 · 4 obs
● 2015-12-08 13:59:24
○ 2016-01-31 00:58:30
○ 2026-06-24 06:05:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| fbb.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 917ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.41.61 |
| NS | 2 | ns01.one.com, ns02.one.com |
| MX | 5 | aspmx2.googlemail.com (pri: 30), alt2.aspmx.l.google.com (pri: 20)... |
| TXT | 2 | google-site-verification=4MWD2Xd_B1wl73Q, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
fbb.dk serves as the parent of smtp-mx.fbb.dk.
IP Addresses
fbb.dk resolves to just one IP address, 185.21.41.61.
Two other host names, along with dehvidesvaner.dk, pavabronderslev.dk and bornholmerbo.dk, also share IP numbers with fbb.dk.
Name Servers
fbb.dk has two authoritative name servers — ns01.one.com and ns02.one.com.
fbb.dk shares its NS records with other domains, for example nnehk.dk, av8.be, bueforum.no and two others.
Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Mail for fbb.dk 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 fbb.dk and other domains, including ns500742.ns500754.ns500754.ns500671.ns500671.ns500671.ns500704.ns500671.ns500671.ns500688.ns500671.ns500688.ns500704.ns500671.ns500671.lusty(0x736c7574)z.com, gotheextramile.com, slsweb.net 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 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to 142.250.31.27 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1b IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.