underhatten.dk

Records from scan: 2026-10-03 10:15:16 · 2637ms total · last checked 2026-10-18 09:26 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

underhatten.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 4 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.236.86.109 is hosted by WorldStream B.V. (AS49981) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 114ms

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 Records#

1 records 143ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.236.86.109	600s	109-236-86-109.hosted-by-worldstream.net	AS49981	WorldStream B.V.	109.236.80.0/20	🇳🇱 The Netherlands	Naaldwijk

📧 MX Records#

5 records 137ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1a	rd-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	109.236.86.109
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 237ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 330ms

TXT Record
google-site-verification=yaTZo25Zu5oLE7q5iwJKr49a2ETPbFk3mjF4UP6Mh2M
v=spf1 include:_spf.google.com include:_spf.google.com include:spf.cbsolt.net ~all

✉️ SPF#

Policy	Record (underhatten.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:_spf.google.com include:spf.cbsolt.net ~all

📨 DMARC#

Policy	Record (_dmarc.underhatten.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🧩 Web & zone#

checked 2026-10-03 10:15:16

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

309ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

75ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 10:34:37

Field	Value
Registrar	Simply.com A/S
Registered	2025-03-04
Expires	2027-03-03 (135d)

📋 WHOIS#

⏱️ Lookup Timing#

114ms

143ms

137ms

AAAA

128ms

TXT

330ms

CAA

99ms

HTTPS

121ms

TLSA

756ms

SOA

75ms

MTA-STS

215ms

DNSSEC

309ms

SRV

237ms

Total

2637ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 10:15:16 shown	2637ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-25 14:07:23	869ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-12 08:29:44	1261ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-22 18:07:18	882ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-21 19:50:12	1005ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 02:53:59	1064ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-18 02:52:56	772ms	3 NS 1 A 5 MX	🔒 Secure