backoffice.dk - dns.ninja

backoffice.dk

DNSSEC๐Ÿ”’ Signed (DS record present)
A157.250.161.234๐Ÿ‡ฏ๐Ÿ‡ต Cibicom-IP-Network157.250.160.0/20
NSns1.simply.com โญ
A2a02:2339:1:15c::4562:4562๐Ÿ‡ฉ๐Ÿ‡ฐ team-blue-denmark2a02:2339::/36
PTRns1.simply.com
A91.197.248.78๐Ÿ‡ฉ๐Ÿ‡ฐ team-blue-denmark91.197.248.0/22
PTRns1.simply.com
NSns2.simply.com
A2a02:2339:4006:101::4562:4562๐Ÿ‡ฉ๐Ÿ‡ฐ team-blue-denmark2a02:2339:4000::/34
PTRns2.simply.com
A185.25.141.15๐Ÿ‡ฉ๐Ÿ‡ฐ team-blue-denmark185.25.141.0/24 Zitcom A/S
PTRns2.simply.com
NSns3.simply.com
A91.197.248.79๐Ÿ‡ฉ๐Ÿ‡ฐ team-blue-denmark91.197.248.0/22
PTRns3.simply.com
NSns4.simply.com
A91.197.248.80๐Ÿ‡ฉ๐Ÿ‡ฐ team-blue-denmark91.197.248.0/22
PTRns4.simply.com
MXbackoffice-dk.mail.protection.outlook.com โญ
A2a01:111:f403:ca04::4๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::7๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca04::a๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::6๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A52.101.68.10๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.12๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A52.101.68.16๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.16๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
TXTgoogle-site-verification=WfVR5Fj0chUyknbdn8BGIS7RWfgRyqHXWJ5WQoDTCic
TXTMS=ms59137859
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.simply.comhostmaster@simply.com 2026-07-30 #2

dk

DNSSEC๐Ÿ”’ Signed (DS record present)
NSb.nic.dk โญ
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1785901681localtime Wed Aug 5 05:48:01 2026gmtime Wed Au...
SOAb.nic.dktech@punktum.dk serial=1785901681

Same first word

Similar names

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSns1.simply.comns2.simply.comns3.simply.comns4.simply.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXbackoffice-dk.mail.protection.outlook.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA157.250.161.23477.66.28.3991.221.196.253
โ—‹NSns1.gratisdns.dk2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—NSns1.simply.com2026-03-06 โ†’ 2026-08-05 ยท 3 obs
โ—‹ 2016-11-23 05:02:12
โ— 2026-03-06 03:05:46
โ— 2026-08-05 04:05:26
โ—‹NSns2.gratisdns.dk2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—NSns2.simply.com2026-03-06 โ†’ 2026-08-05 ยท 3 obs
โ—‹ 2016-11-23 05:02:12
โ— 2026-03-06 03:05:46
โ— 2026-08-05 04:05:26
โ—‹NSns3.gratisdns.dk2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—NSns3.simply.com2026-03-06 โ†’ 2026-08-05 ยท 3 obs
โ—‹ 2016-11-23 05:02:12
โ— 2026-03-06 03:05:46
โ— 2026-08-05 04:05:26
โ—‹NSns4.gratisdns.dk2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—NSns4.simply.com2026-03-06 โ†’ 2026-08-05 ยท 3 obs
โ—‹ 2016-11-23 05:02:12
โ— 2026-03-06 03:05:46
โ— 2026-08-05 04:05:26
โ—‹NSns5.gratisdns.dk2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—‹MXalt1.aspmx.l.google.com2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—‹MXalt2.aspmx.l.google.com2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—‹MXaspmx.l.google.com2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—‹MXaspmx2.googlemail.com2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—‹MXaspmx3.googlemail.com2015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26
โ—MXbackoffice-dk.mail.protection.outlook.com2026-03-06 โ†’ 2026-08-05 ยท 3 obs
โ—‹ 2016-11-23 05:02:12
โ— 2026-03-06 03:05:46
โ— 2026-08-05 04:05:26
โ—A157.250.161.2342026-05-04 โ†’ 2026-08-05 ยท 3 obs
โ—‹ 2026-04-03 10:34:08
โ— 2026-05-04 08:21:46
โ— 2026-08-05 04:05:26
โ—‹A77.66.28.392026-03-06 โ†’ 2026-04-03 ยท 5 obs
โ—‹ 2016-11-23 05:02:12
โ— 2026-03-06 03:05:46
โ— 2026-04-03 10:34:08
โ—‹ 2026-05-04 08:21:46
โ—‹ 2026-08-05 04:05:26
โ—‹A91.221.196.2532015-07-04 โ†’ 2016-11-23 ยท 4 obs
โ— 2015-07-04 02:40:36
โ— 2016-11-23 05:02:12
โ—‹ 2026-03-06 03:05:46
โ—‹ 2026-08-05 04:05:26

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
backoffice.dkns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com-

โœ… Authoritative Response

Server:185.25.141.15

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 831ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1157.250.161.234
NS4ns2.simply.com, ns3.simply.com...
MX1backoffice-dk.mail.protection.outlook.co
TXT3google-site-verification=WfVR5Fj0chUyknb, MS=ms59137859...
SOA1ns1.simply.com hostmaster.simply.com

Analysis

IP Addresses

backoffice.dk resolves to one IP address: 157.250.161.234.

Host names such as juhl.dk, spiff.dk and www.juhl.dk share their IP numbers with backoffice.dk.

Name Servers

The authoritative name servers for backoffice.dk are ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

There is at least partial name server overlap between backoffice.dk and other domains โ€” coinforum.dk, irorelse.com, cafe-t.dk and two more among them.

These name servers tend to appear in combination with the name servers ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.

Hostnames that resolve to two IP addresses:

ns1.simply.com maps to two IP addresses โ€” 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com maps to two IP addresses โ€” 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Hosts with just one IP address:

ns3.simply.com points to the IP address 91.197.248.79.

ns4.simply.com points to the IP address 91.197.248.80.

Mail Servers

Mail for backoffice.dk is handled by a single mail server, backoffice-dk.mail.protection.outlook.com.

backoffice-dk.mail.protection.outlook.com resolves to 8 IP addresses โ€” 52.101.68.10, 52.101.68.12, 52.101.68.16 and 5 others.