demmer-kristoffersen.dk DNS records

🖥️ Nameservers3 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.157.26.135	3600s	ec2-35-157-26-135.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	35.156.0.0/14	🇩🇪 Germany	Frankfurt am Main
63.176.8.218	3600s	ec2-63-176-8-218.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.176.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	demmerkristoffersen-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::b 2a01:111:f403:ca09::2 2a01:111:f403:ca09::8 52.101.68.16 52.101.68.39 52.101.73.145 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a05:d014:58f:6200::258	3600s	—	AS16509	Amazon.com, Inc.	2a05:d000:0:0:0:0:0:0/25	🇩🇪 Germany	Frankfurt am Main
2a05:d014:58f:6200::259	3600s	—	AS16509	Amazon.com, Inc.	2a05:d000:0:0:0:0:0:0/25	🇩🇪 Germany	Frankfurt am Main

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 196ms

TXT Record
MS=ms37949102
v=spf1 ip4:212.237.251.25 ip4:212.237.251.27 ip4:185.98.97.120 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (demmer-kristoffersen.dk)
-all (hard fail)	v=spf1 ip4:212.237.251.25 ip4:212.237.251.27 ip4:185.98.97.120 include:spf.protection.outlook.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC170ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026011300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

49ms

MX

53ms

AAAA

47ms

TXT

196ms

CAA

53ms

HTTPS

65ms

TLSA

321ms

SOA

0ms

MTA-STS

58ms

DNSSEC

170ms

SRV

84ms

Total

1096ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:44:04	1096ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 07:12:00	1696ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-23 14:07:11	1119ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 04:02:49	1625ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 14:51:29	979ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:21:08	875ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 01:45:58	585ms	3 NS 2 A 1 MX	🔓 Insecure	View