`sofortbanking.lu`

DNSSEC	⚠️ Not signed
A	52.31.3.145^{🇮🇪 Amazon52.30.0.0/15 EC2 DUB prefix}
		PTR	`ec2-52-31-3-145.eu-west-1.compute.amazonaws.com`
A	54.78.220.134^{🇮🇪 Amazon54.78.0.0/16 EC2 DUB prefix}
A	54.194.90.6^{🇮🇪 Amazon54.194.0.0/16 VPC DUB 54.194.0.0/16}
NS	`ns-301.awsdns-37.com` ⭐
		A	2600:9000:5301:2d00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-301.awsdns-37.com`
		A	205.251.193.45^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-301.awsdns-37.com`
NS	`ns-1059.awsdns-04.org`
		A	2600:9000:5304:2300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1059.awsdns-04.org`
		A	205.251.196.35^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1059.awsdns-04.org`
NS	`ns-1883.awsdns-43.co.uk`
		A	2600:9000:5307:5b00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1883.awsdns-43.co.uk`
		A	205.251.199.91^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1883.awsdns-43.co.uk`
NS	`ns-568.awsdns-07.net`
		A	2600:9000:5302:3800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-568.awsdns-07.net`
		A	205.251.194.56^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-568.awsdns-07.net`
MX	`mxz1.klarna.com` ⭐
		A	52.30.236.203^{🇮🇪 Amazon52.30.0.0/15 EC2 DUB prefix}
			PTR	`ec2-52-30-236-203.eu-west-1.compute.amazonaws.com`
MX	`mxz2.klarna.com` ⭐
		A	54.73.174.245^{🇮🇪 Amazon54.73.0.0/16 EC2 DUB prefix}
			PTR	`ec2-54-73-174-245.eu-west-1.compute.amazonaws.com`
MX	`mxz3.klarna.com` ⭐
		A	3.73.181.240^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
			PTR	`ec2-3-73-181-240.eu-central-1.compute.amazonaws.com`
TXT	`v=spf1 include:klarna.com -all`
SOA	`ns-301.awsdns-37.com`awsdns-hostmaster@amazon.com serial=1

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-04-26 16:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1777212073

Same first word

DNS History

17 records (10 active, 7 former)

●NSns-1059.awsdns-04.org2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

●NSns-1883.awsdns-43.co.uk2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

●NSns-301.awsdns-37.com2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

●NSns-568.awsdns-07.net2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

●MXmxz1.klarna.com2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

●MXmxz2.klarna.com2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

●MXmxz3.klarna.com2026-03-17 → 2026-04-26 · 2 obs

● 2026-03-17 12:02:56
● 2026-04-26 15:04:46

○A108.128.192.132026-04-24 → 2026-04-24 · 5 obs

○ 2026-04-05 02:10:26
● 2026-04-24 04:53:36
● 2026-04-24 05:45:10
○ 2026-04-26 12:25:00
○ 2026-04-26 15:04:46

○A18.200.64.1212026-03-17 → 2026-03-26 · 4 obs

● 2026-03-17 12:02:56
● 2026-03-26 12:15:30
○ 2026-04-05 02:10:26
○ 2026-04-26 15:04:46

○A46.137.76.262026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:02:56
○ 2026-03-26 12:15:30
○ 2026-04-26 15:04:46

○A52.208.218.1442026-03-26 → 2026-04-05 · 5 obs

○ 2026-03-17 12:02:56
● 2026-03-26 12:15:30
● 2026-04-05 02:10:26
○ 2026-04-24 04:53:36
○ 2026-04-26 15:04:46

○A52.211.169.432026-03-26 → 2026-04-05 · 5 obs

○ 2026-03-17 12:02:56
● 2026-03-26 12:15:30
● 2026-04-05 02:10:26
○ 2026-04-24 04:53:36
○ 2026-04-26 15:04:46

●A52.31.3.1452026-04-26 → 2026-04-26 · 3 obs

○ 2026-04-24 05:45:10
● 2026-04-26 12:25:00
● 2026-04-26 15:04:46

●A54.194.90.62026-04-24 → 2026-04-26 · 3 obs

○ 2026-04-05 02:10:26
● 2026-04-24 04:53:36
● 2026-04-26 15:04:46

○A54.217.137.1412026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-26 12:15:30
● 2026-04-05 02:10:26
○ 2026-04-24 04:53:36
○ 2026-04-26 15:04:46

●A54.78.220.1342026-04-24 → 2026-04-26 · 3 obs

○ 2026-04-05 02:10:26
● 2026-04-24 04:53:36
● 2026-04-26 15:04:46

○A63.35.59.392026-03-17 → 2026-03-17 · 3 obs

● 2026-03-17 12:02:56
○ 2026-03-26 12:15:30
○ 2026-04-26 15:04:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu...	12 records
sofortbanking.lu	ns-301.awsdns-37.com, ns-568.awsdns-07.net, ns-1059.awsdns-04.org, ns-1883.awsdns-43.co.uk	-

✅ Authoritative Response

Server:205.251.193.45

NS records: ns-301.awsdns-37.com, ns-568.awsdns-07.net, ns-1059.awsdns-04.org, ns-1883.awsdns-43.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sofortbanking.lu (unsigned zone)

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.31.3.145, 54.78.220.134...`
NS	4	`ns-1059.awsdns-04.org, ns-1883.awsdns-43.co.uk...`
MX	3	`mxz1.klarna.com (pri: 10), mxz2.klarna.com (pri: 10)...`
TXT	1	`v=spf1 include:klarna.com -all`
SOA	1	`ns-301.awsdns-37.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (g.dns.lu, i.dns.lu, j.dns.lu...)

Analysis

IP Addresses

sofortbanking.lu points to three IPs: 52.31.3.145, 54.78.220.134 and 54.194.90.6.

other host names including directebanking.de, identinkasso.biz, smooothshopping.fi, directebanking.se and smallerpayments.online share IP numbers with sofortbanking.lu.

Name Servers

sofortbanking.lu is delegated to four name servers: ns-301.awsdns-37.com, ns-568.awsdns-07.net, ns-1059.awsdns-04.org and ns-1883.awsdns-43.co.uk.

sofortbanking.lu at least partially shares name servers with other domains, for instance asa1.co.jp, passportkaplan.org, underdogma.net, 9096c.com.br and myholdbutton.com.

Host names with two IP numbers:

ns-301.awsdns-37.com points to 2600:9000:5301:2d00::1 and 205.251.193.45; ns-568.awsdns-07.net points to 2600:9000:5302:3800::1 and 205.251.194.56; ns-1059.awsdns-04.org points to 2600:9000:5304:2300::1 and 205.251.196.35; ns-1883.awsdns-43.co.uk points to 2600:9000:5307:5b00::1 and 205.251.199.91.

Mail Servers

sofortbanking.lu is handled by three mail servers: mxz1.klarna.com, mxz2.klarna.com and mxz3.klarna.com.

sofortbanking.lu shares some mail servers with other domains, at least partially, for instance klarna.com.pl, klarnacloud.cn, wwwklarnabank.uk, klarnabitcoin.com and payinfour.co.

these mail servers are often used alongside mxz4.klarna.com, mxz5.klarna.com and mxz6.klarna.com.

Host names with one IP number: mxz1.klarna.com points to 52.30.236.203; mxz2.klarna.com points to 54.73.174.245; mxz3.klarna.com points to 3.73.181.240.

sofortbanking.lu - robtex.com