backs.nu - dns.ninja

backs.nu

DNSSEC๐Ÿ”’ Signed (DS record present)
A51.15.38.55๐Ÿ‡ซ๐Ÿ‡ท AS1287651.15.0.0/17 SCALEWAY Amsterdam, Netherlands
PTRrocinante.pwl.se
NSdns1.oderland.com โญ
A2a02:28f0::41๐Ÿ‡ธ๐Ÿ‡ช ASODERLAND2a02:28f0::/29
PTRdns1.oderland.com
A91.201.61.4๐Ÿ‡ธ๐Ÿ‡ช ASODERLAND91.201.60.0/22
PTRdns1.oderland.com
NSdns2.oderland.com
A2a02:28f0::46:1๐Ÿ‡ธ๐Ÿ‡ช ASODERLAND2a02:28f0::/29
PTRdns2.oderland.com
A46.16.239.247๐Ÿ‡ธ๐Ÿ‡ช ASODERLAND46.16.232.0/21
PTRdns2.oderland.com
NSdns3.oderland.com
A2a00:1a28:1108:b::4:1๐Ÿ‡ธ๐Ÿ‡ช GLESYS2a00:1a28::/32 Portlane Network
PTRdns3.oderland.com
A46.246.43.220๐Ÿ‡ธ๐Ÿ‡ช GLESYS46.246.0.0/17 Portlane Network
PTRdns3.oderland.com
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c17::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A172.253.115.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.115.0/24
PTRbg-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c23::1a๐Ÿ‡ง๐Ÿ‡ช Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTv=spf1 ip4:91.201.63.189 include:_spf.google.com ~allgoogle-site-verification...
SOAdns1.oderland.comregistry@oderland.se 2026-02-16 #1

nu

DNSSEC๐Ÿ”’ Signed (DS record present)
NScatcher-in-the-rye.nic.nu โญ
NSa.ns.nu
NSc.ns.nu
NSd.ns.nu
NSm.ns.nu
NSy.ns.nu
NSz.ns.nu
TXTNU zone update: 2026-07-04 16:38:06 +0000 (EPOCH 1783183086) (auto)
TXTid:b230d23d-392c-4fb6-954d-f5f2bbb61e19
SOAcatcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1783183136

Same first word

Similar names

DNS History

17 records (11 active, 6 former)

20162017201820192020202120222023202420252026NSdns1.oderland.comdns2.oderland.comdns3.oderland.comns3.binero.sens4.binero.sens5.binero.sens6.binero.sens7.binero.seMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA51.15.38.5587.238.35.158
โ—NSdns1.oderland.com2026-03-06 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2017-04-04 04:31:00
โ— 2026-03-06 23:06:00
โ— 2026-07-04 17:07:40
โ—NSdns2.oderland.com2026-03-06 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2017-04-04 04:31:00
โ— 2026-03-06 23:06:00
โ— 2026-07-04 17:07:40
โ—NSdns3.oderland.com2026-03-06 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2017-04-04 04:31:00
โ— 2026-03-06 23:06:00
โ— 2026-07-04 17:07:40
โ—‹NSns3.binero.se2015-05-25 โ†’ 2017-04-04 ยท 4 obs
โ— 2015-05-25 08:33:14
โ— 2017-04-04 04:31:00
โ—‹ 2026-03-06 23:06:00
โ—‹ 2026-07-04 17:07:40
โ—‹NSns4.binero.se2015-05-25 โ†’ 2017-04-04 ยท 4 obs
โ— 2015-05-25 08:33:14
โ— 2017-04-04 04:31:00
โ—‹ 2026-03-06 23:06:00
โ—‹ 2026-07-04 17:07:40
โ—‹NSns5.binero.se2015-05-25 โ†’ 2017-04-04 ยท 4 obs
โ— 2015-05-25 08:33:14
โ— 2017-04-04 04:31:00
โ—‹ 2026-03-06 23:06:00
โ—‹ 2026-07-04 17:07:40
โ—‹NSns6.binero.se2015-05-25 โ†’ 2017-04-04 ยท 4 obs
โ— 2015-05-25 08:33:14
โ— 2017-04-04 04:31:00
โ—‹ 2026-03-06 23:06:00
โ—‹ 2026-07-04 17:07:40
โ—‹NSns7.binero.se2015-05-25 โ†’ 2017-04-04 ยท 4 obs
โ— 2015-05-25 08:33:14
โ— 2017-04-04 04:31:00
โ—‹ 2026-03-06 23:06:00
โ—‹ 2026-07-04 17:07:40
โ—MXalt1.aspmx.l.google.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—MXalt2.aspmx.l.google.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—MXaspmx.l.google.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—MXaspmx2.googlemail.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—MXaspmx3.googlemail.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—MXaspmx4.googlemail.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—MXaspmx5.googlemail.com2015-05-25 โ†’ 2026-07-04 ยท 2 obs
โ— 2015-05-25 08:33:14
โ— 2026-07-04 17:07:40
โ—A51.15.38.552026-03-06 โ†’ 2026-07-04 ยท 3 obs
โ—‹ 2017-04-04 04:31:00
โ— 2026-03-06 23:06:00
โ— 2026-07-04 17:07:40
โ—‹A87.238.35.1582015-05-25 โ†’ 2017-04-04 ยท 4 obs
โ— 2015-05-25 08:33:14
โ— 2017-04-04 04:31:00
โ—‹ 2026-03-06 23:06:00
โ—‹ 2026-07-04 17:07:40

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nua.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...-
backs.nudns1.oderland.com, dns3.oderland.com, dns2.oderland.com-

โœ… Authoritative Response

Server:46.16.239.247

NS records: dns1.oderland.com, dns3.oderland.com, dns2.oderland.com

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1634ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A151.15.38.55
NS3dns3.oderland.com, dns2.oderland.com...
MX7aspmx2.googlemail.com (pri: 30), aspmx5.googlemail.com (pri: 30)...
TXT1v=spf1 ip4:91.201.63.189 include:_spf.go
SOA1dns1.oderland.com registry.oderland.se

Analysis

IP Addresses

backs.nu resolves to one IP address: 51.15.38.55.

Other host names, among them traveler.se and pwl.se, have IP numbers in common with backs.nu.

Name Servers

The authoritative name servers for backs.nu are dns1.oderland.com, dns2.oderland.com and dns3.oderland.com โ€” three in total.

At least some of backs.nu's name servers are shared with other domains, for example xn--luftvrmepump-kcb.org, sensative.com, ageravvs.se and two more.

These name servers tend to be used in conjunction with the name servers dns3oderland.com.

dns1.oderland.com, dns2.oderland.com and dns3.oderland.com all resolve to exactly two IP numbers apiece: dns1.oderland.com โ†’ 91.201.61.4 and 2a02:28f0::41; dns2.oderland.com โ†’ 46.16.239.247 and 2a02:28f0::46:1; dns3.oderland.com โ†’ 46.246.43.220 and 2a00:1a28:1108:b::4:1.

Mail Servers

backs.nu uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

backs.nu has at least partial mail server overlap with other domains such as ns500754.ns500671.ns500671.ns500731.ns500704.ns500704.ns500704.ns500688.ns500688.tenderladiesbz.com, ns500754.ns500742.ns500742.ns500731.ns500704.ns500731.ns500742.ns500742.ns500671.ns500688.ns500678.ns500291.ns500666.tenderladiesbz.com, ns500759.ns500758.ns500759.ns500736.ns500735.ns500735.ns500698.ns500698.ns500698.ns500735.ns500736.ns500708.ns500619.ns500686.ns500619.ns500576.trackreceptor.com and two more.

These mail servers commonly co-occur with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com directs traffic to 172.253.115.26 and 2607:f8b0:4004:c17::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1b IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.26 IP addresses each.